Agenda packet, regular meeting — Laguna Hills City Council, February 24, 2026 (part 8 of 12)

Sources:

LEM04R0001 LEMONS, P. (DUDEK AND ASSOCIATES) - FOCUSED CALIFORNIA GNATCATCHER SURVEY FOR THE IRVINE COMMUNITY DEVELOPMENT COMPANY PLANNING AREA 1 PROJECT, ORANGE COUNTY, CALIFORNIA 2004-09-10 Map Index Number: B7126 EO Index: 120194
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1107 Occurrence Last Updated: 2021-03-18 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2004-07-01 Occurrence Type: Natural/Native occurrence Last Survey Date: 2004-07-01 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

JUST SOUTHWEST OF RATTLESNAKE RESERVOIR, SOUTHEAST OF PORTOLA PKWY AND ORCHARD HILLS INTERSECTION, EAST IRVINE.

Detailed Location:

Ecological:

COASTAL SAGE SCRUB AND SOUTHERN CACTUS SCRUB HABITAT ADJACENT TO ROAD. SURROUNDING LAND USE INCLUDES AGRICULTURE AND RESIDENTIAL DEVELOPMENT.

Threats:

PROPOSED FOR RESIDENTIAL/COMMERCIAL/RECREATIONAL DEVELOPMENT (IRVINE COMMUNITY DEVELOPMENT COMPANY PLANNING AREA).

General:
1 PAIR DETECTED BETWEEN 18 JUN AND 1 JUL 2004.

PLSS: T05S, R08W, Sec. 20, NW (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3731921 E431013 Latitude/Longitude: 33.72506 / -117.74463 Elevation (feet): 393 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 203 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 924 of 1484 ends

Sources:

LEM04R0001 LEMONS, P. (DUDEK AND ASSOCIATES) - FOCUSED CALIFORNIA GNATCATCHER SURVEY FOR THE IRVINE COMMUNITY DEVELOPMENT COMPANY PLANNING AREA 1 PROJECT, ORANGE COUNTY, CALIFORNIA 2004-09-10 Map Index Number: B7127 EO Index: 120195
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1108 Occurrence Last Updated: 2021-03-18 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

0.3 MILE NORTHWEST OF RATTLESNAKE RESERVOIR DAM, JUST NORTH OF PORTOLA PKWY AT ORCHARD HILLS INTERSECTION, EAST IRVINE.

Detailed Location:

Ecological:

COASTAL SAGE SCRUB AND SOUTHERN CACTUS SCRUB HABITAT ADJACENT TO WATER TANK. SURROUNDED BY DEVELOPMENT.

Threats:

PROPOSED FOR RESIDENTIAL/COMMERCIAL/RECREATIONAL DEVELOPMENT (IRVINE COMMUNITY DEVELOPMENT COMPANY PLANNING AREA).

General:
1 PAIR DETECTED BETWEEN 18 JUN AND 1 JUL 2004.

PLSS: T05S, R08W, Sec. 17, SW (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3732576 E430746 Latitude/Longitude: 33.73095 / -117.74757 Elevation (feet): 383 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 204 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 925 of 1484 ends

Sources:

FWS05D0001 U.S. FISH & WILDLIFE SERVICE - GNATCATCHERSURVEYDATA2002 (DS196): ABUNDANCE AND OCCUPANCY OF COASTAL CALIFORNIA GNATCATCHER DURING THE 2002 BREEDING SEASON (APRIL - JUNE). 2005-12-XX MIL02U0004 MILLER, W. - COASTAL CALIFORNIA GNATCATCHER POINT COUNT DATA FORMS 2002-06-07 Map Index Number: B7128 EO Index: 120196
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1109 Occurrence Last Updated: 2021-03-18 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2002-06-01 Occurrence Type: Natural/Native occurrence Last Survey Date: 2002-06-01 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

1.3 MILES NORTH OF RATTLESNKAE RESERVOIR, LOMA RIDGE, 6 MILES EAST OF TUSTIN.

Detailed Location:

STATION 459. MAPPED TO PROVIDED COORDINATES; BIRDS DETECTED WITHIN 198 METERS.

Ecological:

COASTAL SCRUB.

Threats:

General:
2 MALES HEARD ON 1 JUN 2002.

PLSS: T05S, R08W, Sec. 8, SE (S) Accuracy: non-specific area Area (acres): 31 UTM: Zone-11 N3734299 E432300 Latitude/Longitude: 33.74659 / -117.73093 Elevation (feet): 657 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 205 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 926 of 1484 ends

Sources:

FWS05D0001 U.S. FISH & WILDLIFE SERVICE - GNATCATCHERSURVEYDATA2002 (DS196): ABUNDANCE AND OCCUPANCY OF COASTAL CALIFORNIA GNATCATCHER DURING THE 2002 BREEDING SEASON (APRIL - JUNE). 2005-12-XX MIL02U0004 MILLER, W. - COASTAL CALIFORNIA GNATCATCHER POINT COUNT DATA FORMS 2002-06-07 Map Index Number: B7129 EO Index: 120197
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1110 Occurrence Last Updated: 2021-03-18 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2002-06-07 Occurrence Type: Natural/Native occurrence Last Survey Date: 2002-06-07 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:
2 MILES NORTH OF BEE CANYON ACCESS RD AND HWY 241 INTERSECTION, LOMA RIDGE.

Detailed Location:

Ecological:

COASTAL SAGE SCRUB HABITAT.

Threats:

General:
1 ADULT MALE AND 1 ADULT FEMALE HEARD AND SEEN ON 7 JUN 2002.

PLSS: T05S, R08W, Sec. 9, SE (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3734300 E433500 Latitude/Longitude: 33.74668 / -117.71797 Elevation (feet): 776 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 206 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 927 of 1484 ends

Sources:

KUS13D0002 KUS, B. (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR POLIOPTILA CALIFORNICA CALIFORNICA 2013-XX-XX
LEA09R0001 LEATHERMAN BIOCONSULTING, INC. - CENTRAL RESERVE CACTUS WREN HABITAT ASSESSMENT AND SURVEY 2008 2009-02- XX
LID14U0002 LIDDICOAT, T. (DUDEK AND ASSOCIATES) - 2014 FOCUSED CALIFORNIA GNATCATCHER SURVEY REPORT FOR THE PORTOLA CENTER PROJECT - PHASE 1. 2014-11-06
LID15U0001 LIDDICOAT, T. (DUDEK AND ASSOCIATES) - FOCUSED CALIFORNIA GNATCATCHER SURVEY REPORT FOR THE PORTOLA CENTER PROJECT - PHASE 2, CITY OF LAKE FOREST. 2015-01-09 MUR05U0001 MURI, K. (DUDEK AND ASSOCIATES) - FOCUSED CALIFORNIA GNATCATCHER SURVEY, PORTOLA HILLS PROJECT. 2005-12-20 NRC02U0003 BENSON, T. (NATURAL RESOURCE CONSULTANTS) - RESULTS OF FOCUSED COASTAL CALIFORNIA GNATCATCHER SURVEYS ON THE APPROXIMATELY 420-ACRE PORTOLA HILLS SITE, LOCATED IN THE CITY OF LAKE FOREST, ORANGE COUNTY, CALIFORNIA. 2002-08-08
VAN19A0001 VANDERGAST, A. ET AL. - DISTINGUISHING RECENT DISPERSAL FROM HISTORICAL GENETIC CONNECTIVITY IN THE COASTAL CALIFORNIA GNATCATCHER. SCIENTIFIC REPORTS 9:1355. 2019-02-04 Map Index Number: B7130 EO Index: 120198
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1111 Occurrence Last Updated: 2021-04-06 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2015-01-05 Occurrence Type: Natural/Native occurrence Last Survey Date: 2015-01-05 Occurrence Rank: None
Owner/Manager: PVT Trend: Unknown
Presence: Possibly Extirpated
Location:

PORTOLA HILLS, IN VICINITY OF GLENN RANCH RD AT SADDLEBACK RANCH RD, TRABUCO CANYON.

Detailed Location:

Ecological:

HABITAT FORMERLY INCLUDED COASTAL SAGE SCRUB AND ANNUAL GRASSLAND. SITE WAS DEVELOPED INTO RESIDENTIAL HOUSING BETWEEN 2015 AND 2020.

Threats:

SITE IS WITHIN PORTOLA CENTER DEVELOPMENT PROJECT.

General:
5 PAIRS AND 1 SINGLE MALE OBSERVED BETWEEN 18 FEB AND 12 MAR 2002. 7 PAIRS OBSERVED BETWEEN 12 OCT AND 28 OCT 2005.

DETECTED IN 2008, 2013, 2014, AND ON 5 JAN 2015. SITE HAS BEEN DEVELOPED; LIKELY EXTIRPATED.

PLSS: T06S, R07W, Sec. 8, N (S) Accuracy: non-specific area Area (acres): 172 UTM: Zone-11 N3725967 E441185 Latitude/Longitude: 33.67198 / -117.63445 Elevation (feet): 1,067 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 207 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 928 of 1484 ends

Sources:

KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX NRO08D0001 NATURE RESERVE OF ORANGE COUNTY - NROCTARGETBIRDSURVEYS99_04_P (DS430): CALIFORNIA GNATCATCHER AND CACTUS WREN POPULATION MONITORING, 1999-2004. 2008-XX-XX Map Index Number: B7132 EO Index: 120200
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1112 Occurrence Last Updated: 2021-04-20 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2016-06-09 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-04-30 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

JUST NORTHWEST OF DREADED HILL AND SERRANO COW TRAIL INTERSECTION, WHITING RANCH WILDERNESS PARK.

Detailed Location:

Ecological:

Threats:

General:

DETECTED IN 1999, 2000, 2001, 2003, AND 2004. DETECTED BETWEEN 15 MAR AND 9 JUN 2016. NONE DETECTED BETWEEN 15 MAR AND 30 APR 2020.

PLSS: T06S, R07W, Sec. 6, NE (S) Accuracy: non-specific area Area (acres): 48 UTM: Zone-11 N3727460 E440149 Latitude/Longitude: 33.68539 / -117.64572 Elevation (feet): 1,030 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 208 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 929 of 1484 ends

Sources:

FWS05D0001 U.S. FISH & WILDLIFE SERVICE - GNATCATCHERSURVEYDATA2002 (DS196): ABUNDANCE AND OCCUPANCY OF COASTAL CALIFORNIA GNATCATCHER DURING THE 2002 BREEDING SEASON (APRIL - JUNE). 2005-12-XX MIL02U0004 MILLER, W. - COASTAL CALIFORNIA GNATCATCHER POINT COUNT DATA FORMS 2002-06-07 Map Index Number: B7133 EO Index: 120201
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1113 Occurrence Last Updated: 2021-03-22 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2002-05-30 Occurrence Type: Natural/Native occurrence Last Survey Date: 2002-05-30 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY, UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

0.2 MILE NORTHWEST OF JASPER HILL RD AND FAWN RIDGE RD INTERSECTION, WHITING RANCH WILDERNESS PARK.

Detailed Location:

STATION 536
Ecological:

Threats:

General:
1 NESTING PAIR DETECTED ON 30 MAY 2002; OBSERVED BUILDING NEST.

PLSS: T06S, R07W, Sec. 5, NE (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3727100 E440700 Latitude/Longitude: 33.68217 / -117.63976 Elevation (feet): 1,178 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 209 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 930 of 1484 ends

Sources:

DEL18D0002 DELUNA, A. - EXCEL TABLE FOR POLIOPTILA CALIFORNICA CALIFORNICA DETECTIONS, 2018 [SC-012609] 2018-XX-XX Map Index Number: B7134 EO Index: 120202
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1114 Occurrence Last Updated: 2021-03-22 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2018-04-03 Occurrence Type: Natural/Native occurrence Last Survey Date: 2018-04-03 Occurrence Rank: Good
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

ALONG SERRANO CREEK, NORTH OF PORTOLA PKWY AND GLENN RANCH RD INTERSECTION, LAKE FOREST.

Detailed Location:

Ecological:

HIGH QUALITY COASTAL SAGE SCRUB COMMUNITIES ALONG CENTRAL AND COASTAL FOOTHILLS IN NCC'S CENTRAL AND COASTAL RESERVES, AND TNC EASEMENTS.

Threats:

General:

DETECTED ON 3 APR 2018.

PLSS: T06S, R07W, Sec. 6, SW (S) Accuracy: specific area Area (acres): 14 UTM: Zone-11 N3726090 E439556 Latitude/Longitude: 33.673 / -117.65203 Elevation (feet): 830 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 210 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 931 of 1484 ends

Sources:

PRE08U0005 PREITE, A. (CALIFORNIA DEPARTMENT OF TRANSPORTATION) - 45 DAY REPORT FOR SR-241 AND SR-73 SURVEY FOR COASTAL CALIFORNIA GNATCATCHER UNDER TE095858-1. 2008-07-17 Map Index Number: B7135 EO Index: 120203
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1115 Occurrence Last Updated: 2021-04-08 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2008-07-09 Occurrence Type: Natural/Native occurrence Last Survey Date: 2008-07-09 Occurrence Rank: Fair
Owner/Manager: CALTRANS Trend: Unknown
Presence: Presumed Extant
Location:

HWY 241, JUST EAST OF PORTOLA PKWY INTERSECTION, LAKE FOREST.

Detailed Location:

MAPPED ACCORDING TO LOCATION DESCRIPTION: SOUTH OF THE PORTOLA ON-RAMP, SOUTHBOUND SR-241.

Ecological:

VEGETATION CLEARED ALONG HIGHWAY FOR DEFENSIBLE SPACE REQUIREMENTS.

Threats:

ROAD MODIFICATION, ADJACENT DEVELOPMENT, VEGETATION CLEARING General:
2 ADULTS AND 1 FEMALE/ JUVENILE DETECTED ON 9 JUL 2008.

PLSS: T06S, R07W, Sec. 7, NE (S) Accuracy: non-specific area Area (acres): 29 UTM: Zone-11 N3725314 E439989 Latitude/Longitude: 33.66602 / -117.64731 Elevation (feet): 837 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 211 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 932 of 1484 ends

Sources:

AGU12F0003 AGUAYO, J. (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2012-07-26 AGU20F0018 AGUAYO, J. (PSOMAS ENGINEERING) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2020-07-24 DEL19F0016 DELUNA, A. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2019-07-02 HER18R0009 HEREDIA, A. & J. AGUAYO (PSOMAS ENGINEERING) - RESULTS OF THE LEAST BELL'S VIREO SURVEY FOR THE OFF-SITE

MITIGATION PROGRAM FOR THE ALTON PARKWAY EXTENSION PROJECT AT ALISO CREEK, ORANGE COUNTY, CALIFORNIA 2018-10-30
MES21F0002 MESSETT, L. (PSOMAS ENGINEERING) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2021-01-27 ONE05F0035 O'NEAL, A. (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2005-06-08 Map Index Number: B7136 EO Index: 120204
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1116 Occurrence Last Updated: 2021-04-20 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2021-01-27 Occurrence Type: Natural/Native occurrence Last Survey Date: 2021-01-27 Occurrence Rank: Good
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

ALISO CREEK, BETWEEN SANTA MARGARITA PKWY AND MARGUERITE PKWY, LAKE FOREST.

Detailed Location:

Ecological:

COASTAL SAGE SCRUB HABITAT ALONG ALISO CREEK. SITE DISTURBED BY NOISE/HUMAN ACTIVITY ASSOCIATED WITH TRAILS AND NEW DEVELOPMENT. SURROUNDED BY COMMERCIAL, RESIDENTIAL, AND INSTITUTIONAL DEVELOPMENT.

Threats:

BROWN-HEADED COWBIRDS
General:
2005: 2 ADULTS. 2012: 2 PAIRS (1 W/2 JUVENILES). 2018: 3 PAIRS (2 W/ 2 JUVENILES, 1W/ 3 JUVENILES). 2019: 2 DISPERSING JUVENILES. 2020: 4 PAIRS (2 NESTED TWICE & 4 JUVENILES; 1 W/3 JUVENILES, 1 W/2 JUVENILES). 2021: 1 PAIR AND 1 INDIVIDUAL.

PLSS: T06S, R07W, Sec. 7, SE (S) Accuracy: specific area Area (acres): 44 UTM: Zone-11 N3724863 E440100 Latitude/Longitude: 33.66196 / -117.64608 Elevation (feet): 766 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 212 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 933 of 1484 ends

Sources:

AHR05U0004 AHRENS, J. (GLENN LUKOS ASSOCIATES) - SUBMITTAL REQUIREMENTS OF COASTAL CALIFORNIA GNATCATCHER SURVEYS FOR THE BAKER RANCH. 2005-09-15
ONE08F0022 O'NEAL, A. & B. DANIELS (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2008- 04-14
ONE08U0001 ONEAL, A. (BONTERRA CONSULTING) - RESULTS OF FOCUSED PRESENCE/ABSENCE SURVEYS FOR THE LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER ON THE ALTON PARKWAY EXTENSION PROJECT SITE 2008-08-25 Map Index Number: B7137 EO Index: 120205
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1117 Occurrence Last Updated: 2021-04-05 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2008-07-15 Occurrence Type: Natural/Native occurrence Last Survey Date: 2008-07-15 Occurrence Rank: None
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Possibly Extirpated
Location:

EAST OF ALTON PKWY, NORTHWEST OF BAKE PKWY, AND SOUTHWEST OF HWY 241, LAKE FOREST.

Detailed Location:

Ecological:

HABITAT FORMERLY INCLUDED COASTAL SAGE SCRUB, CHAPARRAL, RIPARIAN, AND RUDERAL. AERIAL IMAGERY SHOWS SITE WAS DEVELOPED INTO RESIDENTIAL HOUSING IN 2010S.

Threats:

DEVELOPMENT
General:
3 PAIRS OBSERVED BETWEEN 15 JUL AND 20 JUL 2005. 1 PAIR OBSERVED AND HEARD CALLING BETWEEN 14 APR AND 15 JUL 2008.

PLSS: T06S, R08W, Sec. 2, SE (S) Accuracy: non-specific area Area (acres): 85 UTM: Zone-11 N3726073 E436849 Latitude/Longitude: 33.67268 / -117.68123 Elevation (feet): 676 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 213 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 934 of 1484 ends

Sources:

DAV17R0001 DAVENPORT, L. - YEAR 2016 RESULTS OF FOCUSED SURVEYS FOR COASTAL CALIFORNIA GNATCATCHER AT THE REMEDIAL ACTION AT INSTALLATION RESTORATION PROGRAM SITE 1 - FORMER MARINE CORPS AIR STATION EL TORO 2017-01-31 HAR01R0004 HARMSWORTH ASSOCIATES - REPORT ON BIOLOGICAL SURVEYS FOR THE IRVINE NORTHERN SPHERE 2001-10-XX JOH17R0003 JOHNSTON, A. ET AL. (PSOMAS ENGINEERING) - RESULTS OF PRECONSTRUCTION COASTAL CALIFORNIA GNATCATCHER SURVEYS FOR TOLLBOOTH REMOVAL ACTIVITIES, ORANGE COUNTY, CALIFORNIA 2017-07-11 Map Index Number: B7140 EO Index: 120208
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1118 Occurrence Last Updated: 2021-06-24 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2016-06-24 Occurrence Type: Natural/Native occurrence Last Survey Date: 2017-06-26 Occurrence Rank: None
Owner/Manager: PVT Trend: Unknown
Presence: Possibly Extirpated
Location:

JUST SE OF PORTOLA PKWY AND HWY 241 INTERSECTION, 2.5 MILES NE OF THE FORMER EL TORO AIR STATION, PORTOLA SPRINGS.

Detailed Location:

Ecological:

HABITAT WAS COASTAL SAGE SCRUB ADJACENT TO AGRICULTURAL FIELDS. 2020 AERIAL IMAGERY SHOWS SITE HAS BEEN GRADED FOR DEVELOPMENT.

Threats:

DEVELOPMENT, ROAD CONSTRUCTION/MODIFICATION
General:
1 PAIR DETECTED BETWEEN 17 JUN AND 20 JUL 2001. 1 PAIR WITH NEST AND 2 DISPERSING JUVENILES DETECTED BETWEEN 13 MAY AND 24 JUN 2016. NONE DETECTED BETWEEN 22 JUN AND 26 JUN 2017.

PLSS: T05S, R08W, Sec. 35, SW (S) Accuracy: non-specific area Area (acres): 16 UTM: Zone-11 N3728335 E435843 Latitude/Longitude: 33.69303 / -117.69225 Elevation (feet): 692 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 214 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 935 of 1484 ends

Sources:

HAR01R0004 HARMSWORTH ASSOCIATES - REPORT ON BIOLOGICAL SURVEYS FOR THE IRVINE NORTHERN SPHERE 2001-10-XX Map Index Number: B7142 EO Index: 120211
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1119 Occurrence Last Updated: 2021-03-25 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2001-07-20 Occurrence Type: Natural/Native occurrence Last Survey Date: 2001-07-20 Occurrence Rank: None
Owner/Manager: PVT Trend: Unknown
Presence: Possibly Extirpated
Location:

0.6 MILE WEST OF HWY 241 AT PORTOLA PKWY, 2 MILES NORTHEAST OF THE FORMER EL TORO AIR STATION, PORTOLA SPRINGS.

Detailed Location:

MAPPED ACCORDING TO PROVIDED MAP AND AERIAL IMAGERY.

Ecological:
2002 AERIAL IMAGERY SHOWS SITE WAS A PATCH OF HABITAT SURROUNED BY AGRICULTURAL FIELDS, AND 2020 IMAGERY SHOWS SITE HAS BEEN DEVELOPED OR UNDERGOING DEVELOPMENT.

Threats:

DEVELOPMENT.

General:
2 PAIRS AND 1 SINGLE BIRD DETECTED BETWEEN 17 JUN AND 20 JUL 2001. SITE HAS BEEN DEVELOPED, LIKELY EXTIRPATED.

PLSS: T05S, R08W, Sec. 34, S (S) Accuracy: 1/5 mile Area (acres): 70 UTM: Zone-11 N3728111 E434915 Latitude/Longitude: 33.69095 / -117.70224 Elevation (feet): 618 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 215 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 936 of 1484 ends

Sources:

HAR01R0004 HARMSWORTH ASSOCIATES - REPORT ON BIOLOGICAL SURVEYS FOR THE IRVINE NORTHERN SPHERE 2001-10-XX Map Index Number: B7143 EO Index: 120212
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1120 Occurrence Last Updated: 2021-03-25 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2001-07-20 Occurrence Type: Natural/Native occurrence Last Survey Date: 2001-07-20 Occurrence Rank: None
Owner/Manager: PVT Trend: Unknown
Presence: Possibly Extirpated
Location:

JUST NORTHEAST OF IRVINE BLVD AND MODJESKA INTERSECTION, SOUTH OF PORTOLA SPRINGS.

Detailed Location:

MAPPED ACCORDING TO PROVIDED MAP AND AERIAL IMAGERY.

Ecological:
2002 AERIAL IMAGERY SHOWS SITE WAS A PATCH OF HABITAT SURROUNDED BY AGRICULTURAL FIELDS AND DEVELOPMENT. SITE WAS DEVELOPED IN 2014-2018.

Threats:

DEVELOPMENT
General:
7 PAIRS AND 1 SINGLE BIRD DETECTED BETWEEN 17 JUN AND 20 JUL 2001. SITE HAS BEEN DEVELOPED, LIKELY EXTIRPATED.

PLSS: T06S, R08W, Sec. 4, NE (S) Accuracy: non-specific area Area (acres): 125 UTM: Zone-11 N3727537 E433971 Latitude/Longitude: 33.68571 / -117.71239 Elevation (feet): 512 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 216 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 937 of 1484 ends

Sources:

GIB94U0001 GIBB, J. ET AL. - 1994 COASTAL CALIFORNIA GNATCATCHER SURVEY CONDUCTED BY SWEETWATER ENVIRONMENTAL BIOLOGISTS, INC. 1994-XX-XX
KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX Map Index Number: B7144 EO Index: 120213
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1121 Occurrence Last Updated: 2021-03-29 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2020-06-24 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-06-24 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

0.7 MILE NORTH OF ALTON PKWY AND HWY 241 INTERSECTION, FOOTHILL RANCH, LAKE FOREST.

Detailed Location:

Ecological:

SAGEBRUSH-BLACK SAGE SCRUB.

Threats:

General:
1 PAIR DETECTED ON 1 MAR 1994. NONE DETECTED ON 15 MAR, 1 TERRITORIAL MALE DETECTED ON 6 APR, AND NONE ON 25 APR 2016.

DETECTED BETWEEN 15 MAR AND 24 JUN 2020.

PLSS: T05S, R08W, Sec. 36, SW (S) Accuracy: non-specific area Area (acres): 32 UTM: Zone-11 N3728032 E437396 Latitude/Longitude: 33.69038 / -117.67547 Elevation (feet): 857 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 217 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 938 of 1484 ends

Sources:

KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX NRO08D0001 NATURE RESERVE OF ORANGE COUNTY - NROCTARGETBIRDSURVEYS99_04_P (DS430): CALIFORNIA GNATCATCHER AND CACTUS WREN POPULATION MONITORING, 1999-2004. 2008-XX-XX Map Index Number: B7145 EO Index: 120214
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1122 Occurrence Last Updated: 2021-03-29 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2016-03-16 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-04-30 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

0.8 MILE NORTH OF HWY 241 AT AGUA CHINON WASH CROSSING, IRVINE RANCH OPEN SPACE, NORTH OF LAKE FOREST.

Detailed Location:

Ecological:

Threats:

General:

DETECTED ON 15 JUL 1999. DETECTED ON 16 MAR 2016. NONE DETECTED ON 6 APR AND 25 APR 2016. NONE DETECTED BETWEEN 15 MAR AND 30 APR 2020.

PLSS: T05S, R08W, Sec. 26, SE (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3729592 E436497 Latitude/Longitude: 33.7044 / -117.68528 Elevation (feet): 964 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 218 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 939 of 1484 ends

Sources:

BEN91R0001 BENNER, M. ET AL. - DRAFT EIR/EIS FOR THE EASTERN TRANSPORTATION CORRIDOR 2 (P & D TECHNOLOGIES, ORANGE COUNTY) 1991-09-XX
KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX Map Index Number: B7146 EO Index: 120215
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1123 Occurrence Last Updated: 2021-03-30 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 1990-09-24 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-04-30 Occurrence Rank: Good
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

HICKS CANYON, 0.5 MILE NORTHWEST OF HWY 241 AT BEE CANYON ACCESS RD, LOMA RIDGE.

Detailed Location:

Ecological:

MOSAIC OF COASTAL SAGE SCRUB, MULE FAT SCRUB, MIXED CHAPARRAL, AND GRASSLAND WITH AREAS OF HEAVY GRAZING.

Threats:

HEAVY GRAZING
General:
1 DETECTED BETWEEN 20 AND 24 SEP 1990. NONE DETECTED BETWEEN 15 MAR AND 25 APR 2016, AND BETWEEN 15 MAR AND 30 APR 2020.

PLSS: T05S, R08W, Sec. 21, W (S) Accuracy: 1/5 mile Area (acres): 70 UTM: Zone-11 N3731774 E432595 Latitude/Longitude: 33.72384 / -117.72755 Elevation (feet): 451 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 219 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 940 of 1484 ends

Sources:

KRI12R0001 KRIEG, E. (LSA ASSOCIATES, INC.) - PROTOCOL COASTAL CALIFORNIA GNATCATCHER SURVEY RESULTS APRIL 14 TO JUNE 19 ALONG TOLL ROADS 13, 241, AND 261, ORANGE COUNTY [SC-000777] 2012-07-09 NRO08D0001 NATURE RESERVE OF ORANGE COUNTY - NROCTARGETBIRDSURVEYS99_04_P (DS430): CALIFORNIA GNATCATCHER AND CACTUS WREN POPULATION MONITORING, 1999-2004. 2008-XX-XX RIC15F0008 RICHARDS, P. (ICF INTERNATIONAL, INC.) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2015-08-19 RIC15U0004 RICHARDS, P. (ICF INTERNATIONAL, INC.) - COASTAL CALIFORNIA GNATCATCHER PRESENCE/ABSENCE SURVEY RESULTS FOR THE SR-241 STORM WATER MITIGATION PROJECT. 2015-09-22 Map Index Number: B7147 EO Index: 120216
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1124 Occurrence Last Updated: 2021-04-05 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2015-08-19 Occurrence Type: Natural/Native occurrence Last Survey Date: 2015-08-19 Occurrence Rank: Good
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

ON EAST SIDE OF HWY 241 AT HICKS HAUL RD, LOMA RIDGE, 7 MILES NORTHEAST OF IRVINE.

Detailed Location:

Ecological:

MIX OF DENSE AND DISTURBED COASTAL SAGE SCRUB. AREA ADJACENT TO HIGHWAY WAS CUT/GRADED DURING CONSTRUCTION AND HAS SINCE REVEGETATED.

Threats:

HIGHWAY CONSTRUCTION/MODIFICATIONS; INVASIVE WEEDS; HABITAT FRAGMENTATION; WILDFIRE General:
1 DETECTION IN 1999, 2 IN 2001, 3 IN 2003, AND 4 IN 2004. 2 INDIVIDUALS DETECTED IN 2012. 1 PAIR WITH FLEDGLING DETECTED ON 10 JUL; JUVENILES DETECTED ON SUBSEQUENT VISITS BETWEEN 17 JUL-19 AUG 2015.

PLSS: T05S, R08W, Sec. 16, E (S) Accuracy: non-specific area Area (acres): 56 UTM: Zone-11 N3733262 E433744 Latitude/Longitude: 33.73733 / -117.71526 Elevation (feet): 735 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 220 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 941 of 1484 ends

Sources:

HON07F0002 HONGOLA, S. (MICHAEL BRANDMAN ASSOCIATES) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2007- 10-02
MBA07R0001 MICHAEL BRANDMAN ASSOCIATES (MICHAEL BRANDMAN ASSOCIATES) - COASTAL CALIFORNIA GNATCATCHER FOCUSED

SURVEY REPORT, LOMA RIDGE MULTIPLE CARRIER TELECOMMUNICATIONS FACILITY - SPRINT NEXTEL, ROYAL STREET COMMUNICATIONS, LLC, VERIZON, CINGULAR. 2007-11-14
Map Index Number: B7148 EO Index: 120217
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1125 Occurrence Last Updated: 2021-03-30 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2007-10-02 Occurrence Type: Natural/Native occurrence Last Survey Date: 2007-10-02 Occurrence Rank: Fair
Owner/Manager: CALTRANS Trend: Unknown
Presence: Presumed Extant
Location:

ON WEST SIDE OF HWY 241 AT RATTLESNAKE CANYON, 1.8 MILES NORTH OF BEE CANYON ACCESS RD, LOMA RIDGE Detailed Location:

Ecological:

PLANTED COASTAL SAGE SCRUB ON A MANUFACTURED/CUT SLOPE ASSOCIATED WITH CONSTRUCTION OF HIGHWAY. NATURALLY OCCURRING CSS LOCATED ON HILLS TO THE WEST. AREA BURNED IN 2007 SANTIAGO FIRE. HABITAT QUALITY WAS MODERATE TO GOOD BEFORE FIRE.

Threats:

HIGHWAY CONSTRUCTION/MODIFICATIONS
General:
1 PAIR OBSERVED ON 2 OCT 2007.

PLSS: T05S, R08W, Sec. 16, NW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3733981 E433313 Latitude/Longitude: 33.74379 / -117.71996 Elevation (feet): 768 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 942 of 1484 ends

Sources:

DEL16D0001 DELUNA, A. - TABLE OF LOCATIONS FOR CALIFORNIA GNATCATCHER TERRITORIES [SC-012609]. 2016-XX-XX KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX STR16D0003 STRATTON, G. - EXCEL TABLE FOR CALIFORNIA GNATCATCHER DETECTIONS IN ORANGE COUNTY, 2016 2016-06-03 STR16F0011 STRATTON, G. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2016-06-03 Map Index Number: B7149 EO Index: 120218
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1126 Occurrence Last Updated: 2021-06-09 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2016-04-19 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-04-30 Occurrence Rank: Good
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

E SIDE OF HWY 241 ABOUT 0.5 MILE N OF BEE CANYON ACCESS RD, 1.25 MILE ESE OF RATTLESNAKE RESERVOIR, IRVINE RANCH OSP.

Detailed Location:

Ecological:

HIGH QUALITY COASTAL SAGE SCRUB COMMUNITIES ALONG COASTAL FOOTHILLS OF THE SANTA ANA MOUNTAINS.

Threats:

General:

DETECTED ON 16 MAR, 4 APR, AND 19 APR 2016. NOT DETECTED ON SURVEYS BETWEEN 15 MAR AND 30 APR 2020.

PLSS: T05S, R08W, Sec. 21, NE (S) Accuracy: non-specific area Area (acres): 37 UTM: Zone-11 N3732019 E433500 Latitude/Longitude: 33.72611 / -117.7178 Elevation (feet): 681 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 943 of 1484 ends

Map Index Number: B7152 EO Index: 120221
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1127 Occurrence Last Updated: 2021-06-24 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2020-06-24 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-06-24 Occurrence Rank: Excellent Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

BEE CANYON, SOUTHWEST OF FRANK R. BOWERMAN LANDFILL, JUST EAST OF HWY 133 AND 241 JUNCTION, PORTOLA SPRINGS.

Detailed Location:
1 MILE E OF SIPHON RESERVOIR.

Ecological:

BUSH MALLOW SCRUB AND CALIFORNIA SAGEBRUSH HABITAT. OPEN SPACE ADJACENT TO LANDFILL AND FRUIT GROVES.

Threats:

LANDFILL ACTIVITIES AND EXPANSION, BROWN-HEADED COWBIRDS PRESENT, INVASIVE WEEDS; HABITAT FRAGMENTATION; WILDFIRE General:
3 PAIRS/FAMILY GROUPS & 7 INDIV DETECTED, 5 JUN-24 JUL 2003. 8 PAIRS, 2 LONE FEMALES, & 2 LONE MALES DETECTED, 8 APR-27 JUN 2005. 3 JUVENILES, 1 INDIV, & 1 PAIR DETECTED, 15 APR-6 MAY 2015. 1 PAIR OBSERVED, 2018. DETECTED IN 2016 & 2020.

PLSS: T05S, R08W, Sec. 27, NW (S) Accuracy: non-specific area Area (acres): 234 UTM: Zone-11 N3730380 E434087 Latitude/Longitude: 33.71136 / -117.71134 Elevation (feet): 648 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 223 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 944 of 1484 ends

Sources:

AGU15F0009 AGUAYO, J. (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2015-05-06 BEN04U0001 BENNER, M. ET AL. (P&D CONSULTANTS) - RESULTS OF FOCUSED COASTAL CALIFORNIA GNATCATCHER SURVEYS AT THE FRANK R. BOWERMAN LANDFILL. 2004-02-12
DEL16D0001 DELUNA, A. - TABLE OF LOCATIONS FOR CALIFORNIA GNATCATCHER TERRITORIES [SC-012609]. 2016-XX-XX HER15U0013 HEREDIA, A. & J. AGUAYO (BONTERRA CONSULTING) - RESULTS OF COASTAL CALIFORNIA GNATCATCHER SURVEY FOR THE FRANK R. BOWERMAN LANDFILL. 2015-06-12
HER18R0008 HEREDIA, A. & J. AGUAYO (PSOMAS ENGINEERING) - RESULTS OF LEAST BELL'S VIREO SURVEYS FOR THE FRANK R.

BOWERMAN LANDFILL AND BEE CANYON RETARDING BASIN IN THE CITY OF IRVINE, ORANGE COUNTY, CALIFORNIA 2018-09- 18 KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA05F0030 LEATHERMAN, B. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2005-05-31 LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX MED05U0001 MEDEIROS, G. & A. ONEAL (BONTERRA CONSULTING) - RESULTS OF FOCUSED SURVEYS FOR THE COASTAL CALIFORNIA GNATCATCHER FOR THE FRANK R. BOWERMAN LANDFILL PROJECT SITE. 2005-10-12 RIC15F0008 RICHARDS, P. (ICF INTERNATIONAL, INC.) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2015-08-19 RIC15U0004 RICHARDS, P. (ICF INTERNATIONAL, INC.) - COASTAL CALIFORNIA GNATCATCHER PRESENCE/ABSENCE SURVEY RESULTS FOR THE SR-241 STORM WATER MITIGATION PROJECT. 2015-09-22 STR16D0003 STRATTON, G. - EXCEL TABLE FOR CALIFORNIA GNATCATCHER DETECTIONS IN ORANGE COUNTY, 2016 2016-06-03 STR16F0011 STRATTON, G. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2016-06-03 Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 224 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 945 of 1484 ends

Sources:

AGU15F0009 AGUAYO, J. (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2015-05-06 HER15U0013 HEREDIA, A. & J. AGUAYO (BONTERRA CONSULTING) - RESULTS OF COASTAL CALIFORNIA GNATCATCHER SURVEY FOR THE FRANK R. BOWERMAN LANDFILL. 2015-06-12
LEA05F0030 LEATHERMAN, B. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2005-05-31 MED05U0001 MEDEIROS, G. & A. ONEAL (BONTERRA CONSULTING) - RESULTS OF FOCUSED SURVEYS FOR THE COASTAL CALIFORNIA GNATCATCHER FOR THE FRANK R. BOWERMAN LANDFILL PROJECT SITE. 2005-10-12 Map Index Number: B7153 EO Index: 120222
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1128 Occurrence Last Updated: 2021-06-24 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2015-05-06 Occurrence Type: Natural/Native occurrence Last Survey Date: 2015-05-06 Occurrence Rank: None
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Possibly Extirpated
Location:

WEST FRANK R. BOWERMAN LANDFILL, 1 MILE NORTHEAST OF HWY 133 AND 241 JUNCTION, PORTOLA SPRINGS.

Detailed Location:

Ecological:

HABITAT WAS CALIFORNIA SAGEBRUSH ADJACENT TO LANDFILL. 2020 AERIAL IMAGERY SHOWS SITE HAS BEEN GRADED, PRESUMABLY RELATED TO LANDFILL ACTIVITIES.

Threats:

LANDFILL ACTIVITIES AND EXPANSION, BROWN-HEADED COWBIRDS PRESENT.

General:
1 PAIR AND 2 JUVENILES DETECTED BETWEEN 8 APR AND 27 JUN 2005. 1 PAIR DETECTED BETWEEN 15 APR AND 6 MAY 2015.

PLSS: T05S, R08W, Sec. 22, SW (S) Accuracy: specific area Area (acres): 13 UTM: Zone-11 N3731471 E434336 Latitude/Longitude: 33.72121 / -117.70874 Elevation (feet): 930 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 225 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 946 of 1484 ends

Sources:

KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA05F0030 LEATHERMAN, B. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2005-05-31 LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX MED05U0001 MEDEIROS, G. & A. ONEAL (BONTERRA CONSULTING) - RESULTS OF FOCUSED SURVEYS FOR THE COASTAL CALIFORNIA GNATCATCHER FOR THE FRANK R. BOWERMAN LANDFILL PROJECT SITE. 2005-10-12 Map Index Number: B7155 EO Index: 120224
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1129 Occurrence Last Updated: 2021-06-24 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2005-06-27 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-04-30 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

EAST FRANK R. BOWERMAN LANDFILL, 1.7 MILES EAST OF HWY 133 AND 241 JUNCTION, PORTOLA SPRINGS.

Detailed Location:

Ecological:

PATCHES OF COASTAL SAGE SCRUB. OPEN SPACE ADJACENT TO LANDFILL.

Threats:

LANDFILL ACTIVITIES AND EXPANSION.

General:
1 JUVENILE DETECTED BETWEEN 8 APR AND 27 JUN 2005. NONE DETECTED IN 2016 AND 2020.

PLSS: T05S, R08W, Sec. 23, SW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3730980 E435706 Latitude/Longitude: 33.71687 / -117.69392 Elevation (feet): 917 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 226 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 947 of 1484 ends

Sources:

LEA05F0030 LEATHERMAN, B. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2005-05-31 LEA09R0001 LEATHERMAN BIOCONSULTING, INC. - CENTRAL RESERVE CACTUS WREN HABITAT ASSESSMENT AND SURVEY 2008 2009-02- XX
MED05U0001 MEDEIROS, G. & A. ONEAL (BONTERRA CONSULTING) - RESULTS OF FOCUSED SURVEYS FOR THE COASTAL CALIFORNIA GNATCATCHER FOR THE FRANK R. BOWERMAN LANDFILL PROJECT SITE. 2005-10-12 NRO08D0001 NATURE RESERVE OF ORANGE COUNTY - NROCTARGETBIRDSURVEYS99_04_P (DS430): CALIFORNIA GNATCATCHER AND CACTUS WREN POPULATION MONITORING, 1999-2004. 2008-XX-XX Map Index Number: B7156 EO Index: 120225
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1130 Occurrence Last Updated: 2021-06-24 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2008-06-25 Occurrence Type: Natural/Native occurrence Last Survey Date: 2008-06-25 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

SOUTHEAST FRANK R. BOWERMAN LANDFILL, 1.5 MILES EAST OF HWY 133 AND 241 JUNCTION, PORTOLA SPRINGS.

Detailed Location:

Ecological:

PATCHES OF COASTAL SAGE SCRUB HABITAT. OPEN SPACE ADJACENT TO LANDFILL.

Threats:

LANDFILL ACTIVITIES AND EXPANSION.

General:
2 DETECTIONS ON 16 JUL 1999; 5 BETWEEN 16 APR AND 17 JUN 2000; 1 ON 23 MAR 2001; 1 ON 3 MAR 2002. 1 JUVENILE DETECTED BETWEEN 8 APR AND 27 JUN 2005. DETECTED BETWEEN 15 MAY AND 25 JUN 2008.

PLSS: T05S, R08W, Sec. 26, NW (S) Accuracy: non-specific area Area (acres): 53 UTM: Zone-11 N3730382 E435600 Latitude/Longitude: 33.71147 / -117.69501 Elevation (feet): 776 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 227 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 948 of 1484 ends

Sources:

KRI12R0001 KRIEG, E. (LSA ASSOCIATES, INC.) - PROTOCOL COASTAL CALIFORNIA GNATCATCHER SURVEY RESULTS APRIL 14 TO JUNE 19 ALONG TOLL ROADS 13, 241, AND 261, ORANGE COUNTY [SC-000777] 2012-07-09 Map Index Number: B7157 EO Index: 120226
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1131 Occurrence Last Updated: 2021-04-01 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2012-04-17 Occurrence Type: Natural/Native occurrence Last Survey Date: 2012-04-17 Occurrence Rank: Unknown
Owner/Manager: CALTRANS Trend: Unknown
Presence: Presumed Extant
Location:

ON EAST SIDE OF HIGHWAY 241, JUST NORTH OF BEE CANYON ACCESS RD INTERSECTION, NORTH OF PORTOLA SPRINGS.

Detailed Location:

Ecological:

COASTAL SAGE SCRUB MITIGATION SITE. HIGHWAY WAS CONSTRUCTED IN THE 1990S.

Threats:

HIGHWAY CONSTRUCTION/MODIFICATION
General:
1 PAIR DETECTED ON 17 APR 2012.

PLSS: T05S, R08W, Sec. 21, SE (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3731441 E433357 Latitude/Longitude: 33.72088 / -117.7193 Elevation (feet): 600 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 228 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 949 of 1484 ends

Sources:

ASE18F0001 ASEF, T. ET AL. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2018-03-05 HAR01R0004 HARMSWORTH ASSOCIATES - REPORT ON BIOLOGICAL SURVEYS FOR THE IRVINE NORTHERN SPHERE 2001-10-XX Map Index Number: B7158 EO Index: 120227
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1132 Occurrence Last Updated: 2021-04-01 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2018-03-05 Occurrence Type: Natural/Native occurrence Last Survey Date: 2018-03-05 Occurrence Rank: Fair
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

SOUTH OF HWY 241 AND NORTH OF PORTOLA PKWY, 1.4 MILES SOUTHEAST OF HWY 241 AND 133 JUNCTION, PORTOLA SPRINGS.

Detailed Location:

Ecological:

PATCH OF COASTAL SAGE SCRUB FORMERLY SURROUNDED BY AGRICULTURAL FIELDS AND CURRENTLY BY DEVEOLPMENT. PORTIONS OF SITE WAS DEVELOPED BETWEEN 2015 AND 2020.

Threats:

DEVELOPMENT
General:
7 PAIRS DETECTED BETWEEN 22 MAY AND 13 JUL 2001. 1 NESTING PAIR DETECTED ON 5 MAR 2018.

PLSS: T05S, R08W, Sec. 34, NW (S) Accuracy: 1/5 mile Area (acres): 70 UTM: Zone-11 N3728838 E434483 Latitude/Longitude: 33.69748 / -117.70695 Elevation (feet): 550 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 950 of 1484 ends

Sources:

FWS05D0001 U.S. FISH & WILDLIFE SERVICE - GNATCATCHERSURVEYDATA2002 (DS196): ABUNDANCE AND OCCUPANCY OF COASTAL CALIFORNIA GNATCATCHER DURING THE 2002 BREEDING SEASON (APRIL - JUNE). 2005-12-XX MIL02U0004 MILLER, W. - COASTAL CALIFORNIA GNATCATCHER POINT COUNT DATA FORMS 2002-06-07 Map Index Number: B7159 EO Index: 120228
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1133 Occurrence Last Updated: 2021-04-01 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2002-05-02 Occurrence Type: Natural/Native occurrence Last Survey Date: 2002-05-02 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

ON NORTHWEST SIDE OF HWY 241, 0.4 MILE WEST OF ROUND CANYON CROSSING, PORTOLA SPRINGS.

Detailed Location:

STATION 482
Ecological:

COASTAL SAGE SCRUB.

Threats:

General:
1 ADULT MALE OBSERVED ON 2 MAY 2002.

PLSS: T05S, R08W, Sec. 27, SW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3729500 E434700 Latitude/Longitude: 33.70347 / -117.70466 Elevation (feet): 803 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 951 of 1484 ends

Sources:

DAN03U0001 DANIELS, B. (BONTERRA CONSULTING) - SURVEY AND MONITORING RESULTS FOR THE COASTAL CALIFORNIA GNATCATCHER AND COASTAL CACTUS WREN AT LAKE FOREST NATURE PARK. 2003-03-14 Map Index Number: B7160 EO Index: 120229
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1134 Occurrence Last Updated: 2021-04-02 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2003-02-05 Occurrence Type: Natural/Native occurrence Last Survey Date: 2003-02-05 Occurrence Rank: Fair
Owner/Manager: CITY OF LAKE FOREST Trend: Unknown
Presence: Presumed Extant
Location:

NATURE PARK, ALONG SERRANO CREEK, JUST SOUTHEAST OF ENTERPRISE WAY AND DIMENSION DR INTERSECTION, LAKE FOREST.

Detailed Location:

Ecological:

HIGH QUALITY COASTAL SAGE SCRUB AND NATIVE RIPARIAN HABITAT. HABITAT NOT CONTIGUOUS WITH OTHER CSS AND ISOLATED FROM OTHER NATIVE HABITAT EXCEPT WITH THOSE ALONG SERRANO CREEK. PARK IS 4.5 ACRES AND SURROUNDED BY DEVELOPMENT.

Threats:

0.23 ACRE OF COASTAL SAGE SCRUB WAS CLEARED ON 6 FEB 2003 FOR PARK CONSTRUCTION, HABITAT ISOLATION/FRAGMENTATION General:
1 PAIR DETECTED ON 4, 5, AND 6 FEB 2003.

PLSS: T06S, R08W, Sec. 12, SW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3725077 E437816 Latitude/Longitude: 33.66376 / -117.67073 Elevation (feet): 682 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 231 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 952 of 1484 ends

Sources:

NRO08D0001 NATURE RESERVE OF ORANGE COUNTY - NROCTARGETBIRDSURVEYS99_04_P (DS430): CALIFORNIA GNATCATCHER AND CACTUS WREN POPULATION MONITORING, 1999-2004. 2008-XX-XX Map Index Number: B7161 EO Index: 120230
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1135 Occurrence Last Updated: 2021-04-06 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 1999-04-17 Occurrence Type: Natural/Native occurrence Last Survey Date: 1999-04-17 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

AT CACTUS HILL TRAIL AND WHITING ROAD INTERSECTION, WHITING RANCH WILDERNES PARK, 1 MILE SW OF MODJESKA.

Detailed Location:

Ecological:

OPEN SPACE PRESERVE.

Threats:

General:

DETECTED ON 17 APR 1999.

PLSS: T05S, R07W, Sec. 32, NW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3728597 E440581 Latitude/Longitude: 33.69566 / -117.64115 Elevation (feet): 1,453 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 232 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 953 of 1484 ends

Sources:

NRO08D0001 NATURE RESERVE OF ORANGE COUNTY - NROCTARGETBIRDSURVEYS99_04_P (DS430): CALIFORNIA GNATCATCHER AND CACTUS WREN POPULATION MONITORING, 1999-2004. 2008-XX-XX Map Index Number: B7162 EO Index: 120231
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1136 Occurrence Last Updated: 2021-04-06 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

0.25 MILES SOUTHWEST OF SERRANO RD AT WATER TANK RD, 1.4 MILES SOUTHWEST OF MODJESKA, WHITING RANCH WILDERNESS PARK.

Detailed Location:

Ecological:

OPEN SPACE PRESERVE.

Threats:

General:

DETECTED ON 17 APR 1999.

PLSS: T05S, R07W, Sec. 31, E (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3728387 E439925 Latitude/Longitude: 33.69374 / -117.64821 Elevation (feet): 1,245 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 954 of 1484 ends

Sources:

KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX Map Index Number: B7163 EO Index: 120232
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1137 Occurrence Last Updated: 2021-04-06 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2020-04-30 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-04-30 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

JUST WEST OF LIMESTONE CANYON RD AT CACTUS CANYON TRAIL INTERSECTION, LOMA RIDGE, IRVINE RANCH OPEN SPACE.

Detailed Location:

Ecological:

OPEN SPACE PRESERVE.

Threats:

General:

NONE DETECTED BETEWEN 16 MAR AND 21 APR 2016. DETECTED BETWEEN 15 MAR AND 30 APR 2020.

PLSS: T05S, R08W, Sec. 24, W (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3731692 E437849 Latitude/Longitude: 33.72342 / -117.67084 Elevation (feet): 1,266 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 234 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 955 of 1484 ends

Sources:

KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA09R0001 LEATHERMAN BIOCONSULTING, INC. - CENTRAL RESERVE CACTUS WREN HABITAT ASSESSMENT AND SURVEY 2008 2009-02- XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX NRO08D0001 NATURE RESERVE OF ORANGE COUNTY - NROCTARGETBIRDSURVEYS99_04_P (DS430): CALIFORNIA GNATCATCHER AND CACTUS WREN POPULATION MONITORING, 1999-2004. 2008-XX-XX Map Index Number: B7164 EO Index: 120233
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1138 Occurrence Last Updated: 2021-04-06 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2008-06-25 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-04-30 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

LIMESTONE RIDGE RD, JUST NORTH OF MARKEL SPUR RD INTERSECTION, IRVINE RANCH OPEN SPACE, 2 MILES SOUTHWEST OF SILVERADO.

Detailed Location:

Ecological:

OPEN SPACE PRESERVE.

Threats:

General:

DETECTED ON 2 APR 2004 AND BETWEEN 15 MAY AND 25 JUN 2008. NONE DETECTED BETWEEN 16 MAR & 21 APR 2016 AND 15 MAR & 30 APR 2020.

PLSS: T05S, R08W, Sec. 24, NE (S) Accuracy: 1/5 mile Area (acres): 70 UTM: Zone-11 N3731833 E438595 Latitude/Longitude: 33.72474 / -117.6628 Elevation (feet): 1,374 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 956 of 1484 ends

Sources:

LEA09R0001 LEATHERMAN BIOCONSULTING, INC. - CENTRAL RESERVE CACTUS WREN HABITAT ASSESSMENT AND SURVEY 2008 2009-02- XX
Map Index Number: B7167 EO Index: 120237
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1139 Occurrence Last Updated: 2021-04-06 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

LIMESTONE RIDGE RD, 1 MILE N OF MARKEL SPUR RD INTERSECTION, IRVINE RANCH OPEN SPACE, 2 MILES SW OF SILVERADO.

Detailed Location:

Ecological:

OPEN SPACE PRESERVE.

Threats:

General:

DETECTED BETWEEN 15 MAY AND 25 JUN 2008.

PLSS: T05S, R08W, Sec. 13, SE (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3732662 E438220 Latitude/Longitude: 33.73219 / -117.6669 Elevation (feet): 1,286 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 957 of 1484 ends

Sources:

GAL15R0003 GALVIN, P. - REPORT ON BIRD SURVEYS IN PLANNING AREA 18 AND 39, 2015 2015-11-XX GAL16R0004 GALVIN, P. (HARMSWORTH ASSOCIATES) - REPORT ON BIRD SURVEYS IN PLANNING AREAS 18 AND 39, 2016 2016-07-27 HAM06R0001 HAMILTON, R. (HAMILTON BIOLOGICAL, INC.) - REPORT ON 2006 BELL'S VIREO AND WILLOW FLYCATCHER SURVEYS, LAKE FOREST DRIVE EXTENSION PROJECT, SAN JUAN CAPISTRANO, CA 2006-07-17 Map Index Number: B7169 EO Index: 120239
Key Quad: El Toro (3311766) Element Code: ABPBJ08081
Occurrence Number: 1140 Occurrence Last Updated: 2021-06-14 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2006-07-13 Occurrence Type: Natural/Native occurrence Last Survey Date: 2006-07-13 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

LAKE FOREST DRIVE, EAST OF BAKE PKWY AND WEST OF SANTA VITTORIA DR, NORTH LAGUNA HILLS, IRVINE Detailed Location:

ATTRIBUTED 2015 & 2016 DETECTIONS FROM THE VICINITY ALONG SAN DIEGO CREEK.

Ecological:

HABITAT WAS MULEFAT, CALIFORNIA SAGEBRUSH, AND DEAD POISON HEMLOCK. LAKE FOREST DRIVE EXTENSTION WAS BUILT THROUGH SITE BETWEEN 2009 AND 2013. HABITAT STILL EXISTS SOUTH OF ROAD.

Threats:

ROAD CONSTRUCTION/MODIFICATIONS
General:
1 PAIR WITH 2 JUVENILES DETECTED BETWEEN 16 JUN AND 13 JUL 2006. DETECTED IN THE AREA IN 2015 AND 2016.

PLSS: T06S, R08W, Sec. 20, SW (S) Accuracy: specific area Area (acres): 14 UTM: Zone-11 N3721501 E431107 Latitude/Longitude: 33.63109 / -117.74281 Elevation (feet): 238 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 958 of 1484 ends

Sources:

COF20F0003 COFFEY, J. ET AL. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2020-06-04 Map Index Number: B7269 EO Index: 120338
Key Quad: Tustin (3311767) Element Code: ABPBJ08081
Occurrence Number: 1141 Occurrence Last Updated: 2021-04-26 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2020-06-04 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-06-04 Occurrence Rank: Unknown
Owner/Manager: UCNR-SAN JOAQUIN MARSH Trend: Unknown
Presence: Presumed Extant
Location:

SAN JOAQUIN FRESHWATER MARSH RESERVE, 0.3 MILE S OF CAMPUS DR AND JAMBOREE RD INTERSECTION, NW OF UC IRVINE CAMPUS.

Detailed Location:

Ecological:

BLUFF ADJACENT TO PROTECTED SEASONAL FRESHWATER MARSH RESERVE.

Threats:

POTENTIAL DEVELOPMENT, HABITAT QUALITY DEGREDATION FROM MESOPREDATORS, DROUGHT.

General:
2 ADULTS HEARD ON 4 JUN 2020.

PLSS: T06S, R09W, Sec. 7, SE (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3724858 E420631 Latitude/Longitude: 33.66064 / -117.85605 Elevation (feet): 38 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 959 of 1484 ends

Map Index Number: B7227 EO Index: 120294
Key Quad: Canada Gobernadora (3311755) Element Code: ABPBJ08081 Occurrence Number: 1160 Occurrence Last Updated: 2021-05-12 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2020-06-24 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-06-24 Occurrence Rank: Good
Owner/Manager: ORA COUNTY, UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

WEST SIDE OF CANADA CHIQUITA CANYON, SOUTH OF OSO PWKY, WEST OF HWY 241, AND NORTH OF COW CAMP RD.

Detailed Location:

Ecological:

COASTAL SAGE SCRUB HABITAT ADJACENT TO AGRICULTURE FIELDS, URBAN DEVELOPMENT, AND SCHOOL. SCHOOL, LAS FLORES AND LADERA RANCH DEVELOPMENT WAS BUILT IN 2000S.

Threats:

DEVELOPMENT, FOOTHILL TRANSPORTATION CORRIDOR ALIGNMENT, GRAZING, BROWN-HEAD COWBIRDS OBSERVED.

General:
1989: 27 PRS. 1990: 2 INDIV & 12 PRS. 1991: 13 PRS. 1994: 7 PRS & 2 JUV. DETECTED IN 1997. 1999: 3-4 DETECTED. DETECTED IN 2001. 2003: 1 PR. 2008: 1 PR. 2012: 3 TERRITORIES. 2016: 2 DETECTED. DETECTED IN 2020.

PLSS: T07S, R07W, Sec. 16 (S) Accuracy: non-specific area Area (acres): 1,537 UTM: Zone-11 N3713220 E442577 Latitude/Longitude: 33.55709 / -117.61862 Elevation (feet): 616 Orange Canada Gobernadora (3311755), San Juan Capistrano (3311756) County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 960 of 1484 ends

Sources:

BLO02U0002 BLOOM, P.H. - MEMO TO USFWS REGARDING 45-DAY REPORT AND 2001 ANNUAL REPORT ON BUFO CALIFORNICUS, POLIOPTILA CALIFORNICA, EMPIDONAX TRAILLII EXTIMUS & VIREO BELLII PUSILLUS. 2002-02-11 BON03R0002 BONTERRA CONSULTING - RESULTS OF FOCUSED SURVEYS FOR THE COASTAL CALIFORNIA GNATCATCHER AT THE TESORO ZONE III WATER BOOSTER PUMP STATION PROJECT SITE IN UNINCORPORATED ORANGE COUNTY, CALIFORNIA 2003-01-28 BON91R0001 BONTRAGER, D. - BIOL. ASSESSMENT OF THE RIVERSIDE CEMENT RANCHO MISSION VIEJO CLAYMINE LEASEHOLD (PART 1 & 2), & FOOTHILL TRANS. CORRIDORS & HABITAT REQ. & BREEDING BIOLOGY OF THE GNATCATCHER 1991-08-22 FIS08F0013 FISCHER, K. (JONES AND STOKES ASSOCIATES) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2008-02- 26 FWS08R0002 U.S. FISH AND WILDLIFE SERVICE - BIOLOGICAL OPINION FOR THE PROPOSED TOLL ROAD CORRIDOR INITIAL ALTERNATIVE FOR THE SOUTH ORANGE COUNTY TRANSPORTATION INFRASTRUCTURE IMPROVEMENT PROJECT 2008-XX-XX HAM19D0001 HAMILTON, R. ET AL. - SHAPEFILE OF SPECIAL STATUS SPECIES COMPILED BY MELANIE SCHLOTTERBECH AND FRIENDS OF HARBORS, BEACHES AND PARKS IN ORANGE AND SAN BERNARDINO COUNTIES, 1989-2019. 2019-10-28 JOH12U0002 JOHNSTON, A. (BONTERRA CONSULTING) - RESULTS OF FOCUSED PRESENCE/ABSENCE COASTAL CALIFORNIA GNATCATCHER SURVEYS FOR THE TESORO EXTENSION PROJECT. 2012-07-26 KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LUK99U0002 BOMKAMP, T. (GLENN LUKOS ASSOCIATES) - SURVEYS FOR COASTAL CALIFORNIA GNATCATCHER WITHIN AREAS ADJACENT TO THE LADERA RANCH RESERVOIR SITE. 1999-10-17
MAY94R0004 MAYER, D. (PACIFIC SOUTHWEST BIOLOGICAL SERVICES) - CALIFORNIA GNATCATCHER SURVEYS AT THE PROPOSED CHIQUITA CANYON HIGH SCHOOOL SITE. 1994-09-30
MES12F0002 MESSETT, L. (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2012-03-20 Report Printed on Tuesday, October 01, 2024
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Occurrence Report
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Page 961 of 1484 ends

Sources:

JOH02R0001 JOHNSON, R. (PSOMAS ENGINEERING) - RESULTS OF FOCUSED SURVEYS FOR COASTAL CALIFORNIA GNATCATCHER, UNIVERSITY OF CALIFORNIA, IRVINE EAST CAMPUS STUDENT APARTMENTS SITE. 2002-09-05 WIL03U0009 WILLICK, D. (P&D CONSULTANTS) - MISCELLANEOUS MONITORING ACTIVITIES REQUIRING A PERMITTED CALIFORNIA GNATCATCHER BIOLOGIST. 2003-03-06
Map Index Number: B7270 EO Index: 120339
Key Quad: Tustin (3311767) Element Code: ABPBJ08081
Occurrence Number: 1166 Occurrence Last Updated: 2021-04-26 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2002-08-31 Occurrence Type: Natural/Native occurrence Last Survey Date: 2002-08-31 Occurrence Rank: None
Owner/Manager: UC-IRVINE Trend: Unknown
Presence: Possibly Extirpated
Location:

SOUTHWEST OF VISTA DEL CAMPO RD AND CULVER DR INTERSECTION, EAST UC IRVINE CAMPUS.

Detailed Location:

Ecological:

HABITAT WAS DISTURBED NON-NATIVE GRASSLAND WITH FEW SMALL REMNANT COASTAL SAGE SCRUB PATCHES. AREA WAS DEVELOPED AS HIGH DENSITY HOUSING BETWEEN 2002 AND 2008.

Threats:

SITE WITHIN UC IRVINE EAST CAMPUS STUDENT HOUSING PROJECT.

General:
1 BREEDING PAIR OBSERVED BETWEEN 22 FEB AND 16 APR 2002. 1 PAIR OBSERVED BETWEEN 15 MAY AND 31 AUG 2002. SITE HAS BEEN COMPLETELY DEVELOPED.

PLSS: T06S, R09W, Sec. 21, N (S) Accuracy: 1/5 mile Area (acres): 70 UTM: Zone-11 N3722764 E423640 Latitude/Longitude: 33.64197 / -117.82343 Elevation (feet): 181 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 962 of 1484 ends

Sources:

HOW04F0017 HOWARD, S. (CHAMBERS GROUP, INC.) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2004-08-31 Map Index Number: B7271 EO Index: 120340
Key Quad: Tustin (3311767) Element Code: ABPBJ08081
Occurrence Number: 1167 Occurrence Last Updated: 2021-04-26 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2004-08-31 Occurrence Type: Natural/Native occurrence Last Survey Date: 2004-08-31 Occurrence Rank: Fair
Owner/Manager: UC-IRVINE Trend: Unknown
Presence: Presumed Extant
Location:

0.2 MILE NORTH OF ANTEATER DR AND CULVER DR INTERSECTION, EAST UC IRVINE CAMPUS.

Detailed Location:

MAPPED TO COORDINATES PROVIDED.

Ecological:

COYOTE BRUSH SCRUB HABITAT WITH MUSTARD AND NON-NATIVE GRASSES AS THE UNDERSTORY. SITE SURROUNDED BY HOUSING DEVELOPMENT. SPECIFIC SITE NOT DEVELOPED IN 2020 AERIAL.

Threats:

SURROUNDING DEVELOPMENT.

General:
1 ADULT AND 1 JUVENILE OBSERVED AND HEARD ON 31 AUG 2004.

PLSS: T06S, R09W, Sec. 21, NW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3722249 E423262 Latitude/Longitude: 33.6373 / -117.82745 Elevation (feet): 243 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 963 of 1484 ends

Sources:

ATW80U0001 ATWOOD, J.L. - CALIFORNIA BLACK-TAILED GNATCATCHER POPULATION SURVEY, 1980. UCLA DEPT. OF BIOLOGY. 1980-XX-XX ATW99R0001 ATWOOD, J. ET AL. - POPULATION DYNAMICS, DISPERSAL AND DEMOGRAPHY OF CALIFORNIA GNATCATCHERS IN ORANGE CO., CALIFORNIA (1998 PROGRESS REPORT) 1999-02-06
BON95F0004 BONTRAGER, D. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 1995-XX-XX BON97F0003 BONTRAGER, D. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 1997-XX-XX DUD02U0009 DUDEK & ASSOCIATES, INC. - FOCUSED CALIFORNIA GNATCATCHER SURVEY AT TURTLE ROCK/STRAWBERRY FARMS, ORANGE COUNTY, CALIFORNIA 2002-01-29
MUL16R0003 MULLEN, K. (DUDEK AND ASSOCIATES) - RESULTS OF THE 2016 COASTAL CALIFORNIA GNATCATCHER FOCUSED SURVEYS FOR THE TURTLE ROCK RESOURCE AND RECREATION MANAGEMENT PLAN, ORANGE COUNRTY, CALIFORNIA 2016-08-09 Map Index Number: B7290 EO Index: 120359
Key Quad: Tustin (3311767) Element Code: ABPBJ08081
Occurrence Number: 1168 Occurrence Last Updated: 2021-05-06 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2016-05-19 Occurrence Type: Natural/Native occurrence Last Survey Date: 2016-05-19 Occurrence Rank: Unknown
Owner/Manager: CITY OF IRVINE Trend: Unknown
Presence: Presumed Extant
Location:

1.2 MILES SOUTHWEST OF SAND CANYON RESERVOIR, TURTLE ROCK, SAN JOAUQUIN HILLS, IRVINE.

Detailed Location:

Ecological:

HIGHLY DISTURBED AND HIGH QUAILITY COASTAL SAGE SCRUB DOMINATED BY CALIFORNIA SAGEBRUSH. SITE IS SURROUNDED BY HOUSING DEVELOPMENT.

Threats:

DEVELOPMENT.

General:
1980: 3-6 PAIRS ESTIMATED. 1995: 10 PAIRS. 1997: 6 PAIRS. 1998: 11 PAIRS. 2001: 4 PAIRS AND 7 FLEDGES/SINGLES. 2016: 5 PAIRS WITH JUVENILES, 2 PAIRS, AND 6 SINGLE MALES.

PLSS: T06S, R09W, Sec. 22, NW (S) Accuracy: non-specific area Area (acres): 104 UTM: Zone-11 N3722137 E424674 Latitude/Longitude: 33.6364 / -117.81222 Elevation (feet): 489 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 964 of 1484 ends

Sources:

ATW99R0001 ATWOOD, J. ET AL. - POPULATION DYNAMICS, DISPERSAL AND DEMOGRAPHY OF CALIFORNIA GNATCATCHERS IN ORANGE CO., CALIFORNIA (1998 PROGRESS REPORT) 1999-02-06
MUL16R0003 MULLEN, K. (DUDEK AND ASSOCIATES) - RESULTS OF THE 2016 COASTAL CALIFORNIA GNATCATCHER FOCUSED SURVEYS FOR THE TURTLE ROCK RESOURCE AND RECREATION MANAGEMENT PLAN, ORANGE COUNRTY, CALIFORNIA 2016-08-09 Map Index Number: B7291 EO Index: 120360
Key Quad: Tustin (3311767) Element Code: ABPBJ08081
Occurrence Number: 1169 Occurrence Last Updated: 2021-05-06 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2016-06-29 Occurrence Type: Natural/Native occurrence Last Survey Date: 2016-06-29 Occurrence Rank: Good
Owner/Manager: CITY OF IRVINE Trend: Unknown
Presence: Presumed Extant
Location:

JUST NORTH OF TURTLE ROCK DR AND SYCAMORE CREEK ROAD INTERSECTION, FRENCH HILL, IRVINE Detailed Location:

Ecological:

COASTAL SAGE SCRUB AND NON-NATIVE GRASSLAND SURROUNDED BY URBAN DEVELOPMENT.

Threats:

General:
2 PAIRS DETECTED IN 1998. 1 PAIR AND 1 PAIR WITH JUVENILES OBSERVED BETWEEN 20 APR AND 29 JUN 2016.

PLSS: T06S, R09W, Sec. 15, SW (S) Accuracy: non-specific area Area (acres): 44 UTM: Zone-11 N3723537 E424830 Latitude/Longitude: 33.64903 / -117.81066 Elevation (feet): 306 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 244 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 965 of 1484 ends

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BON00F0001 BONTRAGER, D. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2000-07-20 Map Index Number: B7292 EO Index: 120361
Key Quad: Tustin (3311767) Element Code: ABPBJ08081
Occurrence Number: 1170 Occurrence Last Updated: 2021-05-07 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2000-07-20 Occurrence Type: Natural/Native occurrence Last Survey Date: 2000-07-20 Occurrence Rank: Fair
Owner/Manager: CITY OF NEWPORT BEACH Trend: Unknown
Presence: Presumed Extant
Location:

ARROYO PARK, S SIDE OF BONITA CANYON DR BETWEEN MACARTHER BLVD AND MESA VIEW DR, SOUTH OF UC IRVINE.

Detailed Location:

Ecological:

Threats:

General:
1 PAIR DETECTED BETWEEN 1 MAR AND 20 JUL 2000.

PLSS: T06S, R09W, Sec. 19, S (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3721326 E420359 Latitude/Longitude: 33.62877 / -117.85867 Elevation (feet): 137 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 245 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 966 of 1484 ends

Sources:

ATW99R0001 ATWOOD, J. ET AL. - POPULATION DYNAMICS, DISPERSAL AND DEMOGRAPHY OF CALIFORNIA GNATCATCHERS IN ORANGE CO., CALIFORNIA (1998 PROGRESS REPORT) 1999-02-06
Map Index Number: B7293 EO Index: 120362
Key Quad: Tustin (3311767) Element Code: ABPBJ08081
Occurrence Number: 1171 Occurrence Last Updated: 2021-05-07 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 1998-07-15 Occurrence Type: Natural/Native occurrence Last Survey Date: 1998-07-15 Occurrence Rank: Fair
Owner/Manager: CITY OF IRVINE Trend: Unknown
Presence: Presumed Extant
Location:

JUST SOUTH OF STARCREST AND TURTLE ROCK DR INTERSECTION, TURTLE ROCK, IRVINE.

Detailed Location:

Ecological:

COASTAL SAGE SCRUB HABITAT SURROUNDED BY DEVELOPMENT.

Threats:

DEVELOPMENT
General:
1 PAIR DETECTED BETWEEN 19 MAR AND 15 JUL 1998.

PLSS: T06S, R09W, Sec. 22, NW (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3722868 E425050 Latitude/Longitude: 33.64302 / -117.80822 Elevation (feet): 318 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 246 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 967 of 1484 ends

Sources:

ATW80U0001 ATWOOD, J.L. - CALIFORNIA BLACK-TAILED GNATCATCHER POPULATION SURVEY, 1980. UCLA DEPT. OF BIOLOGY. 1980-XX-XX Map Index Number: B7297 EO Index: 120364
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1172 Occurrence Last Updated: 2021-05-10 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 1980-XX-XX Occurrence Type: Natural/Native occurrence Last Survey Date: 1980-XX-XX Occurrence Rank: Poor
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

SAN JOAQUIN RESERVOIR, IRVINE.

Detailed Location:

ATWOOD SITE 275: SAN JOAQUIN RESERVOIR.

Ecological:

AREA AROUND RESERVOIR HAS BEEN HEAVILY DEVELOPED (WEST SIDE OF RESERVOIR IN 1960S; EAST SIDE OF RESERVOIR IN 1980S).

HABITAT MAY STILL EXIST IMMEDIATELY ADJACENT TO RESERVOIR.

Threats:

DEVELOPMENT
General:
6 INDIVIDUALS OBSERVED (6-12 PAIRS ESTIMATED) IN 1980 STUDY.

PLSS: T06S, R09W, Sec. 29, S (S) Accuracy: 2/5 mile Area (acres): 280 UTM: Zone-11 N3720044 E421845 Latitude/Longitude: 33.61731 / -117.84253 Elevation (feet): 436 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 247 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 968 of 1484 ends

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HAM98F0004 HAMILTON, R. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 1998-03-07 HAM98U0001 HAMILTON, R. - FAX OF CALIFORNIA GNATCATCHER SIGHTING IN NEWPORT BEACH. 1998-03-07 Map Index Number: B7337 EO Index: 120408
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1178 Occurrence Last Updated: 2021-05-13 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 1998-03-07 Occurrence Type: Natural/Native occurrence Last Survey Date: 1998-03-07 Occurrence Rank: Fair
Owner/Manager: CITY OF NEWPORT BEACH Trend: Unknown
Presence: Presumed Extant
Location:

0.5 MILE NORTH OF MACARTHUR BLVD AND HWY 1 INTERSECTION, NEWPORT BEACH.

Detailed Location:

Ecological:

SMALL PATCH OF HIGH-QUALITY COASTAL SAGE SCRUB DOM BY ARTEMISIA CALIFORNICA & CALIFORNIA SUNFLOWER, INCLUDING ERIOGONUM FASCICULATUM, HAZARDIA SQUARROSA, & OPUNTIA LITTORALIS. SITE UNDEVELOPED IN 2020 AERIAL, BUT SURROUNDINGS DEVELOPED.

Threats:

PROPOSED VARIOUS LAND USES AT THIS SITE THAT COULD ENTAIL REMOVING CSS OR OTHER NATURAL COMMUNITIES General:
1 PAIR OBSERVED ON 7 MAR 1998; FEMALE WAS OBSERVED CARRYING NESTING MATERIAL.

PLSS: T06S, R10W, Sec. 36, NE (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3719329 E419176 Latitude/Longitude: 33.61066 / -117.87124 Elevation (feet): 188 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 248 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 969 of 1484 ends

Sources:

KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX STR16D0003 STRATTON, G. - EXCEL TABLE FOR CALIFORNIA GNATCATCHER DETECTIONS IN ORANGE COUNTY, 2016 2016-06-03 STR16F0011 STRATTON, G. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2016-06-03 Map Index Number: B7347 EO Index: 120418
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1179 Occurrence Last Updated: 2021-05-17 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2016-05-26 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-04-30 Occurrence Rank: Good
Owner/Manager: ORA COUNTY- LAGUNA COAST WP Trend: Unknown Presence: Presumed Extant
Location:

EMERALD CANYON, 2.8 MILES NORTH OF RECREATION POINT, LAGUNA COAST WILDERNESS PARK.

Detailed Location:

Ecological:

HIGH QUALITY COASTAL SAGE SCRUB COMMUNITIES ALONG COASTAL FOOTHILLS OF THE SANTA ANA MOUNTAINS.

Threats:

General:

DETECTED ON 26 MAY 2016. NONE DETECTED BETWEEN 15 MAR AND 30 APR 2020.

PLSS: T07S, R09W, Sec. 11, NE (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3716090 E427498 Latitude/Longitude: 33.58206 / -117.78129 Elevation (feet): 674 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 249 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 970 of 1484 ends

Sources:

VEC16F0001 VECCHIO, C. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2016-07-21 Map Index Number: B7352 EO Index: 120424
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1180 Occurrence Last Updated: 2021-05-17 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2016-07-21 Occurrence Type: Natural/Native occurrence Last Survey Date: 2016-07-21 Occurrence Rank: Good
Owner/Manager: PVT Trend: Unknown
Presence: Presumed Extant
Location:

CANYON ACRES TRAIL HEAD, AT THE EAST END OF CANYON ACRES DR, CANYON ACRES, NORTHEAST LAGUNA BEACH.

Detailed Location:

Ecological:

LAUREL SUMAC SCRUB VEGETATION. SURROUNDING LAND USE INCLUDES HIKING/BIKING AND RESIDENTIAL HOUSING.

Threats:

DROUGHT CONDITIONS ON VEGETATION COMMUNITY AND NEARBY RIPARIAN HABITAT General:
1 INDIVIDUAL, LIKELY A JUVENILE, DETECTED ON 21 JUL 2016.

PLSS: T07S, R09W, Sec. 24, NE (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3712847 E428753 Latitude/Longitude: 33.55289 / -117.7675 Elevation (feet): 217 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 971 of 1484 ends

Sources:

NRO08D0001 NATURE RESERVE OF ORANGE COUNTY - NROCTARGETBIRDSURVEYS99_04_P (DS430): CALIFORNIA GNATCATCHER AND CACTUS WREN POPULATION MONITORING, 1999-2004. 2008-XX-XX Map Index Number: B7353 EO Index: 120425
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1181 Occurrence Last Updated: 2021-05-17 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2003-04-28 Occurrence Type: Natural/Native occurrence Last Survey Date: 2003-04-28 Occurrence Rank: Unknown
Owner/Manager: CITY OF LAGUNA BEACH Trend: Unknown
Presence: Presumed Extant
Location:

0.25 MILE NORTHWEST OF PARK AVE AND ALTA LAGUNA BLVD INTERSECTION, TOP OF THE WORLD, NORTHEAST OF LAGUNA BEACH.

Detailed Location:

Ecological:

Threats:

General:

DETECTED ON 17 MAR AND 28 APR 2003.

PLSS: T07S, R08W, Sec. 19, NW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3713002 E429244 Latitude/Longitude: 33.55432 / -117.76222 Elevation (feet): 725 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 972 of 1484 ends

Sources:

NRO08D0001 NATURE RESERVE OF ORANGE COUNTY - NROCTARGETBIRDSURVEYS99_04_P (DS430): CALIFORNIA GNATCATCHER AND CACTUS WREN POPULATION MONITORING, 1999-2004. 2008-XX-XX Map Index Number: B7354 EO Index: 120427
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1182 Occurrence Last Updated: 2021-05-18 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2004-05-06 Occurrence Type: Natural/Native occurrence Last Survey Date: 2004-05-06 Occurrence Rank: Unknown
Owner/Manager: CITY OF LAGUNA BEACH Trend: Unknown
Presence: Presumed Extant
Location:

JUST NORTH OF ALTA LAGUNA PARK, TOP OF THE WORLD, NORTHEAST OF LAGUNA BEACH, ALISO AND WOOD CANYONS WILDERNESS PARK.

Detailed Location:

Ecological:

Threats:

General:

DETECTED ON 16 MAR AND 6 MAY 2004.

PLSS: T07S, R08W, Sec. 18, SW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3713326 E429428 Latitude/Longitude: 33.55725 / -117.76026 Elevation (feet): 985 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 973 of 1484 ends

Sources:

FWS05D0001 U.S. FISH & WILDLIFE SERVICE - GNATCATCHERSURVEYDATA2002 (DS196): ABUNDANCE AND OCCUPANCY OF COASTAL CALIFORNIA GNATCATCHER DURING THE 2002 BREEDING SEASON (APRIL - JUNE). 2005-12-XX MIL02U0004 MILLER, W. - COASTAL CALIFORNIA GNATCATCHER POINT COUNT DATA FORMS 2002-06-07 Map Index Number: B7355 EO Index: 120428
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1183 Occurrence Last Updated: 2021-05-18 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2002-05-29 Occurrence Type: Natural/Native occurrence Last Survey Date: 2002-05-29 Occurrence Rank: Unknown
Owner/Manager: CITY OF LAGUNA BEACH Trend: Unknown
Presence: Presumed Extant
Location:

ALONG CAR WRECK TRAIL, JUST SOUTH OF MATHIAS CANYON TRAIL INTERSECTION, ALISO AND WOOD CANYONS WILDERNESS PARK.

Detailed Location:

Ecological:

COASTAL SAGE SCRUB.

Threats:

General:
1 MALE DETECTED ON 29 MAY 2002.

PLSS: T07S, R08W, Sec. 18, SW (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3713900 E429900 Latitude/Longitude: 33.56247 / -117.75523 Elevation (feet): 775 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 974 of 1484 ends

Sources:

DEL17F0075 DELUNA, A. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA, INCLUDING KMZ OF DETECTIONS [SC012609] 2017-04-26 Map Index Number: B7356 EO Index: 120429
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1184 Occurrence Last Updated: 2021-05-18 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2017-04-26 Occurrence Type: Natural/Native occurrence Last Survey Date: 2017-04-26 Occurrence Rank: Good
Owner/Manager: DPR-CRYSTAL COVE SP Trend: Unknown
Presence: Presumed Extant
Location:

JUST EAST OF LOWER MORO CAMPGROUND, CRYSTAL COVE STATE PARK.

Detailed Location:

Ecological:

HIGH QUALITY COASTAL SAGE SCRUB COMMUNITIES ALONG COASTAL FOOTHILLS IN CRYSTAL COVE STATE PARK.

Threats:

General:

DETECTED ON 26 APR 2017.

PLSS: T07S, R09W, Sec. 11, SW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3715415 E426591 Latitude/Longitude: 33.5759 / -117.791 Elevation (feet): 767 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
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Page 975 of 1484 ends

Sources:

GRI96R0002 GRIFFITH WILDLIFE BIOLOGY (GRIFFITH WILDLIFE BIOLOGY) - 1995 SAN JOAQUIN HILLS BURN AREA CALIFORNIA GNATCATCHER AND COASTAL CACTUS WREN STUDY 1996-03-11
KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX Map Index Number: B7357 EO Index: 120430
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1185 Occurrence Last Updated: 2021-06-18 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

JUST SOUTH OF VISTA RIDGE RD AND OCEAN HEIGHTS DR INTERSECTION, LAGUNA COAST WILDERNESS PARK.

Detailed Location:

Ecological:

AREA BURNED IN THE 1993 LAGUNA BEACH FIRE.

Threats:

General:

JUVENILE DETECTED IN AUG 1995. DETECTED BETWEEN 15 MAR AND 9 JUN 2016. NONE DETECTED BETWEEN 15 MAR AND 30 APR 2020.

PLSS: T07S, R09W, Sec. 4, NE (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3717786 E423788 Latitude/Longitude: 33.59709 / -117.82141 Elevation (feet): 750 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 976 of 1484 ends

Sources:

GRI96R0002 GRIFFITH WILDLIFE BIOLOGY (GRIFFITH WILDLIFE BIOLOGY) - 1995 SAN JOAQUIN HILLS BURN AREA CALIFORNIA GNATCATCHER AND COASTAL CACTUS WREN STUDY 1996-03-11
Map Index Number: B7358 EO Index: 120431
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1186 Occurrence Last Updated: 2021-05-18 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 1995-09-XX Occurrence Type: Natural/Native occurrence Last Survey Date: 1995-09-XX Occurrence Rank: None
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Possibly Extirpated
Location:

JUST NORTH OF S BEACH (ROAD) AND SHELL BEACH (ROAD) INTERSECTION, NEWPORT BEACH.

Detailed Location:

Ecological:

FIRE BURNED THROUGH AREA IN 1993 LAGUNA BEACH FIRE. SITE WAS DEVELOPED IN THE 2000S; LIKELY EXTIRPATED.

Threats:

DEVELOPMENT.

General:
2 BIRDS OBSERVED IN SEP 1995. SITE WAS DEVELOPED IN THE 2000S; LIKELY EXTIRPATED.

PLSS: T07S, R09W, Sec. 9, NW (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3715956 E423043 Latitude/Longitude: 33.58053 / -117.82927 Elevation (feet): 551 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
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California Natural Diversity Database

Page 977 of 1484 ends

Sources:

STR17F0015 STRATTON, G. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA WITH KMZ OF DETECTIONS 2017-04-26 Map Index Number: B7369 EO Index: 120441
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1187 Occurrence Last Updated: 2021-05-19 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2017-04-26 Occurrence Type: Natural/Native occurrence Last Survey Date: 2017-04-26 Occurrence Rank: Excellent Owner/Manager: DPR-CRYSTAL COVE SP Trend: Unknown
Presence: Presumed Extant
Location:

MORRO CANYON, 1.6 MILES NORTH OF EMERALD BAY, CRYSTAL COVE STATE PARK.

Detailed Location:

Ecological:

HIGH QUALITY COASTAL SAGE SCRUB COMMUNITIES ALONG COASTAL FOOTHILLS IN CRYSTAL COVE STATE PARK.

Threats:

General:
5 DETECTIONS ON 26 APR 2017.

PLSS: T07S, R09W, Sec. 10, SW (S) Accuracy: specific area Area (acres): 24 UTM: Zone-11 N3715379 E424994 Latitude/Longitude: 33.57547 / -117.8082 Elevation (feet): 187 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 257 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 978 of 1484 ends

Sources:

HAM19D0001 HAMILTON, R. ET AL. - SHAPEFILE OF SPECIAL STATUS SPECIES COMPILED BY MELANIE SCHLOTTERBECH AND FRIENDS OF HARBORS, BEACHES AND PARKS IN ORANGE AND SAN BERNARDINO COUNTIES, 1989-2019. 2019-10-28 Map Index Number: B7370 EO Index: 120442
Key Quad: Tustin (3311767) Element Code: ABPBJ08081
Occurrence Number: 1188 Occurrence Last Updated: 2021-05-21 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2019-07-29 Occurrence Type: Natural/Native occurrence Last Survey Date: 2019-07-29 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

WILLIAM R. MASON REGIONAL PARK, 0.5 MILE SOUTHEAST OF UNIVERSITY DR AND CULVER DR INTERSECTION, IRVINE.

Detailed Location:

ALONG TURTLE ROCK TRAIL, JUST SOUTH OF UNIVERISTY TRAIL INTERSECTION.

Ecological:

Threats:

General:
2 INDIVIDUALS OBSERVED NESTING ON 29 JUL 2019.

PLSS: T06S, R09W, Sec. 16, NE (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3724100 E424021 Latitude/Longitude: 33.65405 / -117.81943 Elevation (feet): 77 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 258 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 979 of 1484 ends

Sources:

DEL20F0013 DELUNA, A. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2020-04-15 KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX TAY94U0005 TAYLOR, S. ET AL. - 1994 COASTAL CALIFORNIA GNATCATCHER SURVEYS CONDUCTED BY SWEETWATER ENVIRONMENTAL BIOLOGISTS, INC. AT SAND CANYON WASH. 1994-XX-XX
Map Index Number: B7371 EO Index: 120443
Key Quad: Tustin (3311767) Element Code: ABPBJ08081
Occurrence Number: 1189 Occurrence Last Updated: 2021-06-18 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

0.2 MILE AND 0.5 MILE SOUTH OF SHADY CANYON DR AND SAGE CREEK (ROAD) INTERSECTION, SHADY CANYON GOLF CLUB, IRVINE.

Detailed Location:

Ecological:

HABITAT APPEARS TO BE POSSIBLE NATIVE VEGETATION BETWEEN OR AROUND FAIRWAYS OF GOLF COURSE.

Threats:

General:
1 PAIR DETECTED BETWEEN 31 MAR AND 20 APR 1994. NONE DETECTED IN 2016. DETECTED BETWEEN 15 MAR AND 24 JUN 2020.

PLSS: T06S, R09W, Sec. 23, SW (S) Accuracy: non-specific area Area (acres): 35 UTM: Zone-11 N3721652 E426381 Latitude/Longitude: 33.63214 / -117.79378 Elevation (feet): 261 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 259 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 980 of 1484 ends

Sources:

KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX Map Index Number: B7439 EO Index: 120515
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1190 Occurrence Last Updated: 2021-06-10 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2020-06-24 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-06-24 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:
1 MILE SOUTHWEST OF HWY 73 AND LAGUNA CANYON RD JUNCTION, LAGUNA COAST WILDERNESS PARK, SAN JOAQUIN HILLS.

Detailed Location:

Ecological:

OPEN SPACE.

Threats:

General:

NONE DETECTED IN 2016. DETECTED BETWEEN 15 MAR AND 24 JUN 2020.

PLSS: T07S, R09W, Sec. 1, SW (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3716840 E428099 Latitude/Longitude: 33.58886 / -117.77487 Elevation (feet): 803 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 260 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 981 of 1484 ends

Sources:

KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX Map Index Number: B7380 EO Index: 120451
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1191 Occurrence Last Updated: 2021-06-08 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2016-04-20 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-04-30 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

JUST EAST OF SHADY CANYON, 2 MILES EAST OF SIGNAL PEAK, LAGUNA COAST WILDERNESS PARK, SAN JOAQUIN HILLS.

Detailed Location:

Ecological:

Threats:

General:
1 PAIR DETECTED ON 22 MAR, 1 TERRITORIAL MALE ON 4 APR, AND CAGN DETECTED ON 20 APR 2016. NONE DETECTED BETWEEN 15 MAR AND 30 APR 2020.

PLSS: T06S, R09W, Sec. 36, NE (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3719240 E428248 Latitude/Longitude: 33.61052 / -117.77345 Elevation (feet): 816 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 261 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 982 of 1484 ends

Sources:

LEM07U0003 LEMONS, P. (DUDEK AND ASSOCIATES) - FOCUSED CALIFORNIA GNATCATCHER SURVEY, ALISO CREEK WATER QUALITY SUPER PROJECT. 2007-04-11
WOT11U0001 WOTIPKA, T. (DUDEK AND ASSOCIATES) - FOCUSED CALIFORNIA GNATCATCHER SURVEY FOR THE COASTAL TREATMENT PLANT EXPORT SLUDGE FORCE MAIN PROJECT, SOUTH ORANGE COUNTY WATER AUTHORITY, 2011-12-27 Map Index Number: B7391 EO Index: 120464
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1192 Occurrence Last Updated: 2021-05-25 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2011-08-17 Occurrence Type: Natural/Native occurrence Last Survey Date: 2011-08-17 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

ALISO CREEK, JUST WEST OF ALICIA PKWY, ALISO CANYON COMMUNITY PARK, LAGUNA NIGUEL Detailed Location:

Ecological:

COASTAL SAGE SCRUB.

Threats:

General:
1 PAIR AND 6 INDIVIDUALS DETECTED BETWEEN 8 SEP 2006 AND 14 FEB 2007. DETECTED BETWEEN 21 JUL AND 17 AUG 2011.

PLSS: T07S, R08W, Sec. 21, W (S) Accuracy: non-specific area Area (acres): 50 UTM: Zone-11 N3712439 E433069 Latitude/Longitude: 33.54949 / -117.72098 Elevation (feet): 139 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 262 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 983 of 1484 ends

Sources:

LEM07U0003 LEMONS, P. (DUDEK AND ASSOCIATES) - FOCUSED CALIFORNIA GNATCATCHER SURVEY, ALISO CREEK WATER QUALITY SUPER PROJECT. 2007-04-11
Map Index Number: B7392 EO Index: 120465
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1193 Occurrence Last Updated: 2021-05-25 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2007-02-14 Occurrence Type: Natural/Native occurrence Last Survey Date: 2007-02-14 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

ALISO CREEK, 0.7 MILE WNW OF ALICIA PKWY AT HIGHLAND AVE, ALISO CANYON COMMUNITY PARK, LAGUNA NIGUEL.

Detailed Location:

Ecological:

COASTAL SAGE SCRUB.

Threats:

General:
1 PAIR DETECTED BETWEEN 8 SEP 2006 AND 14 FEB 2007.

PLSS: T07S, R08W, Sec. 21, SW (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3711896 E432556 Latitude/Longitude: 33.54456 / -117.72646 Elevation (feet): 126 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 263 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 984 of 1484 ends

Sources:

KAM18D0001 KAMADA, D. - EXCEL TABLE FOR POLIOPTILA CALIFORNICA CALIFORNICA & CAMPYLORHYNCHUS BRUNNEICPILLUS SANDIEGENSIS DETECTIONS, 2018 [SC-001360] 2018-XX-XX
Map Index Number: B7393 EO Index: 120466
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1194 Occurrence Last Updated: 2021-05-25 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2018-06-11 Occurrence Type: Natural/Native occurrence Last Survey Date: 2018-06-11 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

JUST SOUTHEAST OF TOP OF THE WORLD DR AND ALTA LAGUNA BLVD INTERSECTION, TOP OF THE WORLD, WEST OF LAGUNA BEACH.

Detailed Location:

Ecological:

Threats:

General:
1 PAIR DETECTED ON 11 JUN 2018.

PLSS: T07S, R08W, Sec. 19, SE (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3711663 E430252 Latitude/Longitude: 33.54231 / -117.75126 Elevation (feet): 736 Orange San Juan Capistrano (3311756), Laguna Beach (3311757) County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 985 of 1484 ends

Map Index Number: B7395 EO Index: 120468
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1195 Occurrence Last Updated: 2021-06-18 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2018-06-12 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-04-30 Occurrence Rank: Fair
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

ALISO CREEK, 1 MI N OF NIGUEL HILL & 1 MI W OF HIGHLANDS AVE AT PACIFIC ISLAND DR, ALISO & WOOD CANYONS WILDERNESS PARK.

Detailed Location:

Ecological:

COASTAL SAGE SCRUB AND GRASSLAND. SITE DISTURBED BY UNAUTHORIZED MOUNTAIN BIKE TRAILS.

Threats:

FIRE
General:
2006-2007: 2 PAIRS AND 3 INDIVIDUALS. 2009: 1 PAIR WITH 1+ JUVENILES. 2011: 1 ADULT AND 1 USE AREA IDENTIFIED. 2016: 1 PAIR. 2018: 3 ADULTS. 2020: NONE DETECTED.

PLSS: T07S, R08W, Sec. 32, N (S) Accuracy: non-specific area Area (acres): 118 UTM: Zone-11 N3709759 E431472 Latitude/Longitude: 33.52522 / -117.73797 Elevation (feet): 58 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 986 of 1484 ends

Sources:

BOU09R0001 BOUCHER, C. ET AL. (RECON ENVIRONMENTAL, INC.) - RESULTS FOR THE 2009 COASTAL CALIFORNIA GNATCATCHER

FOCUSED SURVEY FOR THE ALISO CREEK ECOSYSTEM RESTORATION STUDY, ORANGE COUNTY, CALIFORNIA (RECON NUMBER 5162) 2009-11-19
KAM11F0014 KAMADA, D. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2011-03-16 KAM16D0001 KAMADA, D. - 2016 SENSITIVE SPECIES SIGHTINGS DURING LEAST BELL'S VIREO NEST SEARCHING IN VENTURA COUNTY AND CALIFORNIA GNATCATCHER OBSERVATIONS IN ORANGE COUNTY[SC-001360]. 2016-XX-XX KAM16F0002 KAMADA, D. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA [SC-001360]. 2016-03-15 KAM18D0001 KAMADA, D. - EXCEL TABLE FOR POLIOPTILA CALIFORNICA CALIFORNICA & CAMPYLORHYNCHUS BRUNNEICPILLUS SANDIEGENSIS DETECTIONS, 2018 [SC-001360] 2018-XX-XX
KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX LEM07U0003 LEMONS, P. (DUDEK AND ASSOCIATES) - FOCUSED CALIFORNIA GNATCATCHER SURVEY, ALISO CREEK WATER QUALITY SUPER PROJECT. 2007-04-11
WOT11U0001 WOTIPKA, T. (DUDEK AND ASSOCIATES) - FOCUSED CALIFORNIA GNATCATCHER SURVEY FOR THE COASTAL TREATMENT PLANT EXPORT SLUDGE FORCE MAIN PROJECT, SOUTH ORANGE COUNTY WATER AUTHORITY, 2011-12-27 Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 266 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 987 of 1484 ends

Sources:

KAM18D0001 KAMADA, D. - EXCEL TABLE FOR POLIOPTILA CALIFORNICA CALIFORNICA & CAMPYLORHYNCHUS BRUNNEICPILLUS SANDIEGENSIS DETECTIONS, 2018 [SC-001360] 2018-XX-XX
Map Index Number: B7396 EO Index: 120469
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1196 Occurrence Last Updated: 2021-05-26 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2018-05-14 Occurrence Type: Natural/Native occurrence Last Survey Date: 2018-05-14 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

NORTHWEST OF ALISO CREEK ABOUT 0.7 UPSTREAM MILES FROM THE OCEAN, 0.7 MILE WEST OF NIGUEL HILL, SOUTH LAGUNA.

Detailed Location:

Ecological:

Threats:

General:
1 MALE ADULT SEEN AND HEARD ON 14 MAY 2018.

PLSS: T07S, R08W, Sec. 31, SE (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3708686 E430711 Latitude/Longitude: 33.5155 / -117.74609 Elevation (feet): 259 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 267 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 988 of 1484 ends

Sources:

TAY94U0004 TAYLOR, S. ET AL. - 1994 COASTAL CALIFORNIA GNATCATCHER SURVEYS CONDUCTED BY SWEETWATER ENVIRONMENTAL BIOLOGISTS, INC. 1994-XX-XX
Map Index Number: B7402 EO Index: 120477
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1197 Occurrence Last Updated: 2021-05-27 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 1994-03-14 Occurrence Type: Natural/Native occurrence Last Survey Date: 1994-03-14 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

JUST EAST GOLDEN LANTERN (ROAD) AT DUCHESS ST, 0.8 MILE SOUTHWEST OF HWY 73 AND I-5 JUNCTION, LAGUNA NIGUEL.

Detailed Location:

Ecological:

Threats:

General:
1 PAIR DETECTED BETWEEN23 FEB AND 14 MAR 1994.

PLSS: T07S, R08W, Sec. 26, SE (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3710409 E436756 Latitude/Longitude: 33.53141 / -117.68112 Elevation (feet): 467 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 989 of 1484 ends

Sources:

QUO12F0032 QUON, I. (LSA ASSOCIATES, INC.) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2012-05-10 Map Index Number: B7404 EO Index: 120478
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1198 Occurrence Last Updated: 2021-05-27 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2012-07-26 Occurrence Type: Natural/Native occurrence Last Survey Date: 2012-07-26 Occurrence Rank: Good
Owner/Manager: CALTRANS, UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

ALISO CREEK, EAST OF CABOT RD AND JUST SOUTHWEST OF I-5 AT OSO PARKWAY, MISSION VIEJO.

Detailed Location:

Ecological:

VEGETATED WITH MATURE AND YOUNG WILLOW SPECIES (SALIX SP.), MULEFAT (BACCHARIS SALICIFOLIA), AND UPLAND RUDERAL SPECIES.

SURROUNDING LAND USE INCLUDES RESIDENTIAL, LIGHT INDUSTRIAL, COMMERCIAL, AND PAVED TRAIL ALONG CREEK.

Threats:

DEVELOPMENT, WEEDS.

General:
2 ADULTS AND 2 JUVENILES OBSERVED BETWEEN 10 MAY AND 26 JUL 2012.

PLSS: T07S, R08W, Sec. 12, NW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3715661 E437478 Latitude/Longitude: 33.57881 / -117.67372 Elevation (feet): 356 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 269 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 990 of 1484 ends

Sources:

ATW80U0001 ATWOOD, J.L. - CALIFORNIA BLACK-TAILED GNATCATCHER POPULATION SURVEY, 1980. UCLA DEPT. OF BIOLOGY. 1980-XX-XX HEF93F0003 HEFFLEY, C. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA 1993-04-21 Map Index Number: B7407 EO Index: 120481
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1199 Occurrence Last Updated: 2021-05-28 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 1993-04-21 Occurrence Type: Natural/Native occurrence Last Survey Date: 1993-04-21 Occurrence Rank: None
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Possibly Extirpated
Location:

JUST SW OF CROWN VALLEY PKWY AT MARGURITE PKWY, ABOUT 0.75 MILE E OF I-5 AND NNE OF SADDLEBACK COLLEGE, MISSION VIEGO.

Detailed Location:

ATWOOD SITE 305.

Ecological:

HABITAT WAS FLOODPLAIN SAGE SCRUB DOMINATED BY BUCKWHEAT, ENCELIA, ARTEMISIA CALIFORNICA, LEMONADE BERRY, ELDERBERRY, OPUNTIA SPP., STIPA SPP. AERIAL IMAGERY SHOWS SITE HAS BEEN DEVELOPED.

Threats:

DEVELOPMENT, SAND & GRAVEL OPERATION TO THE NE
General:
1980: 9 INDIVIDUALS OBSERVED; 7-12 PAIRS ESTIMATED BY ATWOOD. 1 ADULT DETECTED ON 21 APR 1993.

PLSS: T07S, R08W, Sec. 13, SE (S) Accuracy: 1/5 mile Area (acres): 70 UTM: Zone-11 N3713636 E438714 Latitude/Longitude: 33.56063 / -117.66026 Elevation (feet): 564 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 270 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 991 of 1484 ends

Sources:

KAM18D0001 KAMADA, D. - EXCEL TABLE FOR POLIOPTILA CALIFORNICA CALIFORNICA & CAMPYLORHYNCHUS BRUNNEICPILLUS SANDIEGENSIS DETECTIONS, 2018 [SC-001360] 2018-XX-XX
Map Index Number: B7408 EO Index: 120482
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1200 Occurrence Last Updated: 2021-06-01 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2018-05-24 Occurrence Type: Natural/Native occurrence Last Survey Date: 2018-05-24 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

WOOD CANYON, 0.4 MI WSW OF WOOD CYN DR AT OAK VIEW DR & 1.4 MI N OF ALISO CREEK, ALISO AND WOOD CANYON WILDERNESS PARK Detailed Location:

Ecological:

Threats:

General:
1 TERRITORIAL MALE SEEN/HEARD ON 24 MAY 2018.

PLSS: T07S, R08W, Sec. 17, SW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3713702 E431136 Latitude/Longitude: 33.56076 / -117.74189 Elevation (feet): 265 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 271 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 992 of 1484 ends

Sources:

KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16D0001 LEATHERMAN, B. - COORDINATE TABLE OF CALIFORNIA GNATCATCHER DETECTIONS [SC-001562]. 2016-XX-XX LEA16F0007 LEATHERMAN, B. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA [SC-001562]. 2016-04-15 LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX Map Index Number: B7409 EO Index: 120483
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1201 Occurrence Last Updated: 2021-06-01 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2016-05-03 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-04-30 Occurrence Rank: Good
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

WOOD CANYON, 1.7 MILES NORTH OF ALISO CREEK CONFLUENCE, ALISO AND WOOD CANYON WILDERNESS PARK.

Detailed Location:

Ecological:

HIGH QUALITY COASTAL SAGE SCRUB COMMUNITIES ALONG COASTAL FOOTHILLS OF THE SANTA ANA MOUNTAINS Threats:

General:

NONE DETECTED ON 17 MAR, 4 APR, AND 20 APR 2016. DETECTED ON 3 MAY 2016. NONE DETECTED BEWTWEEN 15 MAR AND 30 APR 2020.

PLSS: T07S, R08W, Sec. 17, NW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3714179 E430827 Latitude/Longitude: 33.56504 / -117.74527 Elevation (feet): 274 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 272 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 993 of 1484 ends

Sources:

KAM11F0018 KAMADA, D. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2011-03-16 KAM18D0001 KAMADA, D. - EXCEL TABLE FOR POLIOPTILA CALIFORNICA CALIFORNICA & CAMPYLORHYNCHUS BRUNNEICPILLUS SANDIEGENSIS DETECTIONS, 2018 [SC-001360] 2018-XX-XX
Map Index Number: B7410 EO Index: 120484
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1202 Occurrence Last Updated: 2021-06-01 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2018-06-08 Occurrence Type: Natural/Native occurrence Last Survey Date: 2018-06-08 Occurrence Rank: Fair
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

JUST WEST OF WESTRIDGE PARK AND EAST OF FIVE OAKS TRAIL, ALISO AND WOOD CANYON WILDERNESS PARK, ALISO VIEJO.

Detailed Location:

Ecological:

COASTAL SAGE SCRUB AND GRASSLAND HABITAT.

Threats:

FIRES
General:
1 PAIR DETECTED BEWTEEN 16 MAR AND 19 MAY 2011. 1 TERRITORIAL MALE SEEN/HEARD ON 8 JUN 2018.

PLSS: T07S, R08W, Sec. 17, NW (S) Accuracy: specific area Area (acres): 11 UTM: Zone-11 N3714645 E431143 Latitude/Longitude: 33.56926 / -117.7419 Elevation (feet): 592 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 273 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 994 of 1484 ends

Sources:

BOM98U0002 BOMKAMP, T. (GLENN LUKOS ASSOCIATES) - SUBMITTAL REQUIREMENTS OF COASTAL CALIFORNIA GNATCATCHER SURVEYS ON MOULTON RESERVOIR SITE, ALISO VIEJO. 1998-12-15
KAM11F0018 KAMADA, D. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2011-03-16 Map Index Number: B7411 EO Index: 120485
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1203 Occurrence Last Updated: 2021-06-01 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2011-05-19 Occurrence Type: Natural/Native occurrence Last Survey Date: 2011-05-19 Occurrence Rank: Fair
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

0.2 MILE WEST OF THE END OF FAWNRIDGE PL, ALISO AND WOOD CANYON WILDERNESS PARK, ALISO VIEJO.

Detailed Location:

ATTRIBUTED 1998 OBSERVATION FROM WATER TANK SITE EAST OF PEPPERTREE ROAD, SOUTH OF PACIFIC PARK DRIVE, AND NORTH OF LAGUNA COAST WILDERNESS PARK.

Ecological:

RUDERAL AND DISTURBED COASTAL SAGE SCRUB HABITAT ADJACENT TO TWO WATER TANKS. AREA TO THE EAST WAS DEVELOPED AND SOUTH WATER TANK WAS BUILT IN 2000S.

Threats:

FIRES, DEVELOPEMENT.

General:
1 MALE AND 1 FEMALE OBSERVED FORAGING TOGETHER ON 29 NOV 1998. 1 PAIR DETECTED BETWEEN 16 MAR AND 19 MAY 2011.

PLSS: T07S, R08W, Sec. 8, SW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3715222 E430915 Latitude/Longitude: 33.57445 / -117.74439 Elevation (feet): 769 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 274 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 995 of 1484 ends

Sources:

KAM18D0001 KAMADA, D. - EXCEL TABLE FOR POLIOPTILA CALIFORNICA CALIFORNICA & CAMPYLORHYNCHUS BRUNNEICPILLUS SANDIEGENSIS DETECTIONS, 2018 [SC-001360] 2018-XX-XX
Map Index Number: B7414 EO Index: 120488
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1204 Occurrence Last Updated: 2021-06-01 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2018-05-24 Occurrence Type: Natural/Native occurrence Last Survey Date: 2018-05-24 Occurrence Rank: Unknown
Owner/Manager: CITY OF ALISO VIEJO Trend: Unknown
Presence: Presumed Extant
Location:

HUMMINGBIRD PARK, 0.3 MILE NORTHEAST OF HWY 73 AND EL TORO RD, ALISO VIEJO.

Detailed Location:

Ecological:

Threats:

General:
1 PAIR SEEN/HEARD ON 24 MAY 2018.

PLSS: T07S, R08W, Sec. 5, W (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3717129 E430919 Latitude/Longitude: 33.59165 / -117.7445 Elevation (feet): 482 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 275 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 996 of 1484 ends

Sources:

AGU19F0007 AGUAYO, J. & L. MESSETT (PSOMAS ENGINEERING) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2019- 04-04
Map Index Number: B7415 EO Index: 120489
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1205 Occurrence Last Updated: 2021-06-01 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2019-04-04 Occurrence Type: Natural/Native occurrence Last Survey Date: 2019-04-04 Occurrence Rank: Good
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

SOUTH OF HWY 73, JUST EAST OF EL TORO RD INTERSECTION, ALISO AND WOOD CANYON WILDERNESS PARK, ALISO VIEJO.

Detailed Location:

Ecological:

COASTAL SAGE SCRUB DOMINATED BY COASTAL SAGE SCRUB AND MULE FAT SCRUB. OPEN LAND IN THE IMMEDIATE VICINITY. RESIDENTIAL HOUSING TO THE NORTH AND EAST, AND OPEN LAND TO THE SOUTH. SITE DISTURBED BY TRAILS.

Threats:

General:
1 ADULT MALE OBSERVED ON 3 APR AND 1 ADULT FEMALE ON 4 APR 2019 (PRESUMBLY PAIRED).

PLSS: T07S, R08W, Sec. 6, SE (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3716829 E430520 Latitude/Longitude: 33.58892 / -117.74878 Elevation (feet): 376 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 276 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 997 of 1484 ends

Sources:

PRC84R0001 PRC ENGINEERING, INC. - SAN JOAQUIN HILLS TRANSPORTATION CORRIDOR BIOLOGICAL RESOURCE ANALYSIS 1984-04-11 ROB90F0011 ROBERTS, F. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA 1990-08-20 Map Index Number: B7428 EO Index: 120501
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBJ08081 Occurrence Number: 1206 Occurrence Last Updated: 2021-06-03 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 1988-XX-XX Occurrence Type: Natural/Native occurrence Last Survey Date: 1988-XX-XX Occurrence Rank: Poor
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

ALONG HIGHWAY 73, JUST EAST OF GLENWOOD DR INTERSECTION, ALISO VIEJO.

Detailed Location:

Ecological:

AERIAL IMAGERY SHOWS SITE WAS DEVELOPED INTO RESIDENTIAL HOUSING AND HIGHWAY 73 WAS BUILT THROUGH SITE BY THE 1990S/2000S. AREA ADJACENT TO HIGHWAY WAS REVEGETATED AND MAY CONTAIN SUITABLE HABITAT.

Threats:

DEVELOPMENT, SAN JOAQUIN HILLS TRANSPORTATION CORRIDOR (HIGHWAY 73) CONSTRUCTION.

General:
1 PAIR DETECTED IN THE EARLY 1980S. AT LEAST 6 MALES WERE OBSERVED IN LATE SPRING OF 1988.

PLSS: T07S, R08W, Sec. 5, SW (S) Accuracy: non-specific area Area (acres): 191 UTM: Zone-11 N3716729 E431449 Latitude/Longitude: 33.58808 / -117.73876 Elevation (feet): 551 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 277 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 998 of 1484 ends

Sources:

BAR05F0041 BARONI, I. (LSA ASSOCIATES, INC.) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2005-09-XX BAR05U0001 BARONI, I. (LSA ASSOCIATES, INC.) - LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER SURVEYS FOR LAGUNA CANYON ROAD (SR-133) CONSTRUCTION MONITORING, ORANGE COUNTY, CALIFORNIA 2005-10-28 ERI97F0005 ERICKSON, R. (LSA ASSOCIATES, INC.) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 1997-07-XX ERI97S0001 ERICKSON, R. - WFVZ #165583 COLLECTED FROM LAGUNA LAKES, LAGUNA CANYON 1997-05-26 QUO03F0012 QUON, I. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2003-06-06 QUO03R0003 QUON, I. (LSA ASSOCIATES, INC.) - AGENCY REPORTING FORMS FOR LAGUNA CANYON ROAD, CONSTRUCTION MONITORING. 2003-10-30
Map Index Number: B7434 EO Index: 120510
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1207 Occurrence Last Updated: 2021-06-09 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2005-09-09 Occurrence Type: Natural/Native occurrence Last Survey Date: 2005-09-09 Occurrence Rank: Good
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

EAST OF LAGUNA CANYON RD, 1.3 MILES NORTH OF JUCNTION WITH HWY 73, WEST OF LAGUNA WOODS.

Detailed Location:

SITE NAME: LAGUNA LAKES.

Ecological:

CALIFORNIA SAGEBRUSH, FLAT-TOPPED BUCKWHEAT, MULEFAT, COYOTE BRUSH.

Threats:

ROAD CONSTRUCTION/MODIFICATIONS, FIRE, DEVELOPMENT, WEEDS General:
1 PAIR WITH 4 NESTLINGS OBSERVED BETWEEN 20 MAR AND 15 MAY 1997; NEST COLLECTED ON 26 MAY. 1 JUVENILE DETECTED ON 6 JUN 2003. 2 DETECTIONS BETWEEN 2 APR AND 9 SEP 2005.

PLSS: T06S, R08W, Sec. 31, NW (S) Accuracy: non-specific area Area (acres): 44 UTM: Zone-11 N3719422 E429630 Latitude/Longitude: 33.61225 / -117.75857 Elevation (feet): 434 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 278 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 999 of 1484 ends

Sources:

FWS05D0001 U.S. FISH & WILDLIFE SERVICE - GNATCATCHERSURVEYDATA2002 (DS196): ABUNDANCE AND OCCUPANCY OF COASTAL CALIFORNIA GNATCATCHER DURING THE 2002 BREEDING SEASON (APRIL - JUNE). 2005-12-XX HAR01R0001 HARMSWORTH ASSOCIATES - DRAFT CALIFORNIA GNATCATCHER AND COASTAL CACTUS WREN MONITORING REPORT FOR THE SAN JOAQUIN HILLS BURN AREA, 2001 2001-XX-XX
KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX MIL02U0004 MILLER, W. - COASTAL CALIFORNIA GNATCATCHER POINT COUNT DATA FORMS 2002-06-07 Map Index Number: B7435 EO Index: 120512
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1208 Occurrence Last Updated: 2021-07-16 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2016-03-29 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-06-24 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:
1 MILE NORTHEAST OF NEWPORT COAST DR AND HWY 1 INTERSECTION, LAGUNA COAST WILDERNESS PARK, NEWPORT COAST.

Detailed Location:

Ecological:

Threats:

General:
1 PAIR DETECTED IN 2001. 1 ADULT MALE HEARD AND 1 ADULT FEMALE SEEN ON 5 JUN 2002. DETECTED ON 29 MAR 2016. NONE DETECTED ON 13 AND 20 APR 2016 AND BETWEEN 15 MAR AND 24 JUN 2020.

PLSS: T07S, R09W, Sec. 4, W (S) Accuracy: non-specific area Area (acres): 40 UTM: Zone-11 N3717067 E422745 Latitude/Longitude: 33.59053 / -117.83258 Elevation (feet): 319 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1000 of 1484 ends

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DEL17F0073 DELUNA, A. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA [SC-012609] 2017-03-28 DEL18D0002 DELUNA, A. - EXCEL TABLE FOR POLIOPTILA CALIFORNICA CALIFORNICA DETECTIONS, 2018 [SC-012609] 2018-XX-XX DEL18F0015 DELUNA, A. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2018-04-14 DEL19F0013 DELUNA, A. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2019-05-23 DEL20F0006 DELUNA, A. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2020-06-02 KAM11F0023 KAMADA, D. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 2011-03-22 LEA15U0002 LEATHERMAN BIOCONSULTING, INC. - RESULTS OF CALIFORNIA GNATCATCHER SURVEYS IN BUCK GULLY RESERVE. 2015-08- 19 LEM05U0002 LEMONS, P. (DUDEK AND ASSOCIATES) - COMBINED CALIFORNIA GNATCATCHER AND LEAST BELL'S VIREO FOCUSED SURVEY REPORT FOR THE BUCK GULLY PROJECT. 2005-08-09
SCH85F0002 SCHONHOLTZ, R. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA (POLIOPTILA MELANURA CALIFORNICA) 1985-05-30
TAY94U0006 TAYLOR, S. ET AL. - 1994 COASTAL CALIFORNIA GNATCATCHER SURVEYS CONDUCTED BY SWEETWATER ENVIRONMENTAL BIOLOGISTS, INC. AT BUCK GULLY/PELICAN POINT. 1994-XX-XX Map Index Number: B7436 EO Index: 120513
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1209 Occurrence Last Updated: 2021-06-09 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2020-06-02 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-06-02 Occurrence Rank: Excellent Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

BUCK GULLY PRESERVE, 1.8 MILES NORTH OF PELICAN POINT, NEWPORT BEACH.

Detailed Location:

Ecological:

HIGH QUALITY COASTAL SAGE SCRUB IN BUCK GULLY RESERVE.

Threats:

General:
1985: 1 HEARD. 1994: 4 PAIRS. 2005: 2 INDIVIDUALS (LIKELY JUVENILES). 2011: 4 ADULTS. 2015: 6 PAIRS. 2017: 14 ADULTS AND 2 JUVENILES. 2018: 19 ADULTS. 2019: 16 ADULTS. 2020: 12 ADULTS AND 6 JUVENILES.

PLSS: T06S, R09W, Sec. 32 (S) Accuracy: non-specific area Area (acres): 280 UTM: Zone-11 N3718542 E421533 Latitude/Longitude: 33.60375 / -117.84577 Elevation (feet): 340 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1001 of 1484 ends

Sources:

DEL17F0075 DELUNA, A. - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA, INCLUDING KMZ OF DETECTIONS [SC012609] 2017-04-26 KUS16D0003 KUS, B. & R. POTTINGER (U.S. GEOLOGICAL SURVEY-WESTERN ECOLOGICAL RESEARCH CENTER) - GEODATABASE FOR 2016 CALIFORNIA GNATCATCHER SURVEYS 2016-XX-XX
LBC21R0001 LEATHERMAN BIOCONSULTING, INC. - NATURAL COMMUNITIES COALITION REGIONAL CALIFORNIA GNATCATCHER STUDY 2020 2021-01-XX
LEA16R0002 LEATHERMAN, B. ET AL. - NATURAL COMMUNITIES COALITION CALIFORNIA GNATCATCHER STUDY 2016 2016-11-XX NRO08D0001 NATURE RESERVE OF ORANGE COUNTY - NROCTARGETBIRDSURVEYS99_04_P (DS430): CALIFORNIA GNATCATCHER AND CACTUS WREN POPULATION MONITORING, 1999-2004. 2008-XX-XX Map Index Number: B7440 EO Index: 120516
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1210 Occurrence Last Updated: 2021-06-10 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 2020-04-30 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-04-30 Occurrence Rank: Good
Owner/Manager: DPR, ORA COUNTY, UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

0.5 MILE SOUTHEAST OF SIGNAL PEAK, SAN JOAQUIN HILLS, CRYSTAL COVE STATE PARK, EAST OF NEWPORT COAST.

Detailed Location:

Ecological:

HIGH QUALITY COASTAL SAGE SCRUB COMMUNITIES.

Threats:

General:
1 DETECTION ON 1 JUN 2000, 1 ON 8 APR 2001, 1 ON 6 APR 2002, AND 1 ON 6 MAR 2004. NONE DETECTED IN 2016. DETECTED IN 2017 AND BETWEEN 15 MAR AND 30 APR 2020.

PLSS: T06S, R09W, Sec. 34, SE (S) Accuracy: non-specific area Area (acres): 75 UTM: Zone-11 N3718051 E425452 Latitude/Longitude: 33.5996 / -117.80349 Elevation (feet): 849 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1002 of 1484 ends

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GRI96R0002 GRIFFITH WILDLIFE BIOLOGY (GRIFFITH WILDLIFE BIOLOGY) - 1995 SAN JOAQUIN HILLS BURN AREA CALIFORNIA GNATCATCHER AND COASTAL CACTUS WREN STUDY 1996-03-11
Map Index Number: B7441 EO Index: 120517
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1211 Occurrence Last Updated: 2021-06-11 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 1995-08-05 Occurrence Type: Natural/Native occurrence Last Survey Date: 1995-08-05 Occurrence Rank: Fair
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

0.5 MILE EAST OF NEWPORT COAST DR AND HWY 1 INTERSECTION, NORTH OF CRYSTAL COVE, NEWPORT COAST.

Detailed Location:

Ecological:

AERIAL IMAGERY SHOWS SITE IS LOCATED IN GOLF COURSE WITH PATCHES OF HABITAT. ADJACENT AREA TO THE NORTH WAS DEVELOPED IN THE EARLY 2000S. AREA WAS BURNED IN 1993 LAGUNA BEACH FIRE.

Threats:

DEVELOPMENT
General:

JUVENILE(S) DETECTED BETWEEN 4 APR AND 5 AUG 1995.

PLSS: T07S, R09W, Sec. 8, NE (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3715966 E422078 Latitude/Longitude: 33.58056 / -117.83967 Elevation (feet): 208 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1003 of 1484 ends

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GRI96R0002 GRIFFITH WILDLIFE BIOLOGY (GRIFFITH WILDLIFE BIOLOGY) - 1995 SAN JOAQUIN HILLS BURN AREA CALIFORNIA GNATCATCHER AND COASTAL CACTUS WREN STUDY 1996-03-11
Map Index Number: B7442 EO Index: 120518
Key Quad: Laguna Beach (3311757) Element Code: ABPBJ08081 Occurrence Number: 1212 Occurrence Last Updated: 2021-06-11 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 1995-08-05 Occurrence Type: Natural/Native occurrence Last Survey Date: 1995-08-05 Occurrence Rank: Good
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

0.8 MILE EAST OF NEWPORT COAST DR AND HWY 1 INTERSECTION, LAGUNA COAST WILDERNESS PARK, NEWPORT COAST.

Detailed Location:

Ecological:

OPEN SPAC PRESERVE. ADJACENT AREA TO THE WEST WAS DEVELOPED IN EARLY 2000S. AREA WAS BURNED IN 1993 LAGUNA BEACH FIRE.

Threats:

ADJACENT DEVELOPMENT.

General:

JUVENILE(S) DETECTED BETWEEN 4 APR AND 5 AUG 1995.

PLSS: T07S, R09W, Sec. 8, NE (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3716351 E422539 Latitude/Longitude: 33.58406 / -117.83474 Elevation (feet): 241 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
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Page 1004 of 1484 ends

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HAM19D0001 HAMILTON, R. ET AL. - SHAPEFILE OF SPECIAL STATUS SPECIES COMPILED BY MELANIE SCHLOTTERBECH AND FRIENDS OF HARBORS, BEACHES AND PARKS IN ORANGE AND SAN BERNARDINO COUNTIES, 1989-2019. 2019-10-28 Map Index Number: B7474 EO Index: 120548
Key Quad: Canada Gobernadora (3311755) Element Code: ABPBJ08081 Occurrence Number: 1225 Occurrence Last Updated: 2021-06-22 Scientific Name: Polioptila californica californica Common Name: coastal California gnatcatcher Listing Status: Federal: Threatened Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G4G5T3Q
State: S2
Other Lists: CDFW_SSC-Species of Special Concern
General Habitat: Micro Habitat:

OBLIGATE, PERMANENT RESIDENT OF COASTAL SAGE SCRUB BELOW 2500 FT IN SOUTHERN CALIFORNIA.

LOW, COASTAL SAGE SCRUB IN ARID WASHES, ON MESAS AND
SLOPES. NOT ALL AREAS CLASSIFIED AS COASTAL SAGE SCRUB
ARE OCCUPIED.

Last Date Observed: 1990-03-15 Occurrence Type: Natural/Native occurrence Last Survey Date: 1990-03-15 Occurrence Rank: None
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Possibly Extirpated
Location:

LAS FLORES, JUST EAST OF ANOTONIO PKWY AND OSO PKWY INTERSECTION, EAST OF MISSION VIEJO.

Detailed Location:

Ecological:

Threats:

DEVELOPMENT
General:
6 PAIRS DETECTED ON 15 APR 1989. 4 INDIVIDUALS DETECTED ON 15 MAR 1990. SITE WAS DEVELOPED IN THE 2000S, LIKELY EXTIRPATED.

PLSS: T07S, R07W, Sec. 5, SE (S) Accuracy: non-specific area Area (acres): 108 UTM: Zone-11 N3716417 E441965 Latitude/Longitude: 33.58589 / -117.62541 Elevation (feet): 695 Orange Canada Gobernadora (3311755), San Juan Capistrano (3311756) County Summary: Quad Summary:

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Occurrence Report
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Page 1005 of 1484 ends

Map Index Number: 20478 EO Index: 30253
Key Quad: Tustin (3311767) Element Code: ABPBW01114
Occurrence Number: 171 Occurrence Last Updated: 2018-09-28 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2018-07-31 Occurrence Type: Natural/Native occurrence Last Survey Date: 2018-07-31 Occurrence Rank: Excellent Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

SAND CANYON WASH, N & S OF SAND CANYON RESERVOIR, S OF UNIVERSITY DR AND E OF CULRVER DR, E OF UC IRVINE.

Detailed Location:

SITE INCLUDES STRAWBERRY FARMS GOLF CLUB INCLUDING SAND CANYON RESERVOIR AND WILLIAM R. MASON REGIONAL PARK. ALL DETECTIONS MADE BETWEEN MAR-JUL OF EACH YEAR.

Ecological:

HABITAT COMPOSED OF WILLOW RIPARIAN SCRUB DOMINATED BY ARROYO WILLOW, MULE FAT, CATTAIL, ELDERBERRY, AND WESTERN SYCAMORE. HABITAT TO THE EAST AND SOUTH IS INTERMIXED WITH GOLF COURSE. INCREASED RESIDENTIAL DEVELOPMENT SINCE 2002.

Threats:

THREATENED BY DEVELOPMENT.

General:
1 PAIR DETECTED IN 1991. 2-10 PAIRS IN 1994-1997. 5-8 PAIRS & 11-20 FLEDGLINGS IN 1998-2001. 6 TERRITORIES & 4 YOUNG IN 2006. 2 PAIRS & SEVERAL INDIVIDUALS DETECTED IN 2008. 3 PAIRS IN 2014. 1 CALLING IN 2017. 2 TERRITORIES IN 2018.

PLSS: T06S, R09W, Sec. 15 (S) Accuracy: non-specific area Area (acres): 257 UTM: Zone-11 N3724370 E424732 Latitude/Longitude: 33.65654 / -117.81178 Elevation (feet): 120 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
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Page 1006 of 1484 ends

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AND15U0002 ANDERSEN, C. & S. TENNANT (BONTERRA CONSULTING) - RESULTS OF FOCUSED BREEDING SEASON PRESENCE/ABSENCE

SURVEYS FOR LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER FOR CONCORDIA UNIVERSITY UPDATE TO THE MASTER BUILDOUT PLAN 2015-09-17
ANO08U0001 ANON, S. & L. ROBB (PCR SERVICES CORPORATION) - RESULTS OF FOCUSED LEAST BELL'S VIREO SURVEYS FOR WILLIAM R.

MASON REGIONAL PARK, PW #2928, CITY OF IRVINE, ORANGE COUNTY, CALIFORNIA 2008-07-25 BAR06U0001 BARONI, I. (LSA ASSOCIATES, INC.) - SOUTHWESTERN WILLOW FLYCATCHER AND LEAST BELL'S VIREO SURVEYS, APRIL 30 TO JUL 25, 2006, UNIVERSITY/RIDGELINE STORM DRAIN IMPROVEMENT PROJECT, CITY OF IRVINE, ORANGE COUNTY, CA 2006-09- 29 EAA91R0001 ED ALMANZA & ASSOCIATES - A PRELIMINARY ASSESSMENT OF GNATCATCHER HABITAT SUITABILITY IN THE COUNTY OF ORANGE PARKS SYSTEM. 1991-07-XX
FAI18F0003 FAIRCHILD, K. & A. SULLIVAN (ENVIRONMENTAL SCIENCE ASSOCIATES) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2018-07-31
GAL96F0001 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 1996-07-27 GRI00F0003 GRIFFITH, J. (GRIFFITH WILDLIFE BIOLOGY) - FIELD SURVEY FORM FOR EMPIDONAX TRAILLII EXTIMUS & POLIOPTILA CALIFORNICA CALIFORNICA & VIREO BELLII PUSILLUS 2000-07-31 GRI00R0003 GRIFFITH, J. & J. GRIFFITH (GRIFFITH WILDLIFE BIOLOGY) - THE STATUS OF THE LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER AT STRAWBERRY FARMS GOLF COURSE IN 2000 2000-08-01 GRI01R0004 GRIFFITH WILDLIFE BIOLOGY - THE STATUS OF THE LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER AT STRAWBERRY FARMS GOLF COURSE. 2001-10-08
GRI97U0002 GRIFFITH, J. (GRIFFITH WILDLIFE BIOLOGY) - LETTER OF 1997 BROWN-HEADED COWBIRD AND LEAST BELL'S VIREO SURVEY AND MONITORING SUMMARIES 1997-08-04
GRI99F0004 GRIFFITH, J. (GRIFFITH WILDLIFE BIOLOGY) - FIELD SURVEY FORM FOR EMPIDONAX TRAILLII EXTIMUS & POLIOPTILA CALIFORNICA CALIFORNICA & VIREO BELLII PUSILLUS 1999-07-31 TEN17R0001 TENNANT, S. (PSOMAS ENGINEERING) - RESULTS OF FOCUSED BREEDING SEASON PRESENCE/ABSENCE SURVEYS FOR

COASTAL CALIFORNIA GNATCATCHER FOR THE CONCORDIA UNIVERSITY CUP MODIFICATION/ZONE CHANGE AND CAMPUS MASTER BUILD-OUT 2017-06-15
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Page 1007 of 1484 ends

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NEW94F0005 NEWKIRK, T. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 1994-XX-XX Map Index Number: 26369 EO Index: 4096
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBW01114 Occurrence Number: 184 Occurrence Last Updated: 2009-04-21 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 1994-10-14 Occurrence Type: Natural/Native occurrence Last Survey Date: 1994-10-14 Occurrence Rank: Good
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

SAN JUAN CREEK VICINITY, ALONG HWY 74, 2 MILES ENE OF I-5, SAN JUAN CAPISTRANO.

Detailed Location:

Ecological:

HABITAT ALONG LOWER SAN JUAN CREEK CONSISTS OF FRESHWATER MARSH & RIPARIAN WOODLAND. DOMINANTS: TYPHA LATIFOLIA,

SCIRPUS AMERICANUS, CYPERUS ESCULENTUS, RORIPPA-NASTURTIUM AQUATICUM, POPULUS FREMONTII, SALIX SPP, & ALNUS RHOMBIFOLIA.

Threats:
22 MALE AND 30 FEMALE BROWN-HEADED COWBIRDS WERE SEEN.

General:

SITE WAS SURVEYED FOR 3 HOURS MINIMUM ON 11 DIFFERENT DAYS IN OCTOBER 1994; 1 MIGRATORY MALE OBSERVED ON 3, 11, 12, 13, AND 14 OCTOBER 1994.

PLSS: T07S, R07W, Sec. 32, SE (S) Accuracy: non-specific area Area (acres): 7 UTM: Zone-11 N3708980 E441865 Latitude/Longitude: 33.51881 / -117.62600 Elevation (feet): 275 Orange Canada Gobernadora (3311755), San Juan Capistrano (3311756) County Summary: Quad Summary:

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Page 1008 of 1484 ends

Map Index Number: 33830 EO Index: 30220
Key Quad: El Toro (3311766) Element Code: ABPBW01114
Occurrence Number: 189 Occurrence Last Updated: 2018-10-04 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2016-09-15 Occurrence Type: Natural/Native occurrence Last Survey Date: 2016-09-15 Occurrence Rank: Good
Owner/Manager: PVT-IRVINE CO Trend: Unknown
Presence: Presumed Extant
Location:

SAN DIEGO CREEK, MIDWAY BETWEEN I-5 AND LAGUNA CANYON ROAD, SOUTH OF EL TORO MARINE CORPS AIR STATION.

Detailed Location:

SEVERAL SINGLE TERRITORIAL MALES WERE ALSO DETECTED EACH YEAR IN ADDITION TO BREEDING PAIRS. SEVERAL OF THE 2005, 2007, 2010, 2012, & 2013 FLEDGED YOUNG; EXACT NUMBERS UNKNOWN. SITE NAME WAS PLANNING AREA 18 & 39.

Ecological:

WILLOW DOMINATED RIPARIAN WOODLAND, WITH GOOD UNDERSTORY OF MULEFAT. DOMINANT PLANTS INCLUDE ARROYO WILLOW, BLACK WILLOW & MULEFAT. CANOPY HEIGHT = 8 M. YELLOW-BREASTED CHATS ALSO BREED AT SITE. SURROUNDING AREA: FARMING & DEVELOPMENT.

Threats:

THREATS INCLUDE NEST PARASITISM BY BROWN-HEADED COWBIRDS, AND RESIDENTIAL DEVELOPMENT.

General:
1996: 3 PAIRS/1 JUVENILE. 2001: 4 PAIRS. 2003: 3 PAIRS. 2004: 9 PAIRS/10 JUVS. 2005: 17 PAIRS. 2006: 2 PAIRS/4 JUVS. 2007: 13 PRS. 2008: 5 TERRITORIES. 2010: 21 PRS. 2012: 14 PRS. 2013: 13 PRS. 2015: 4 PRS/2 JUVS. 2016: 2 PRS.

PLSS: T06S, R08W, Sec. 19 (S) Accuracy: non-specific area Area (acres): 264 UTM: Zone-11 N3722061 E430642 Latitude/Longitude: 33.63611 / -117.74787 Elevation (feet): 227 Orange San Juan Capistrano (3311756), El Toro (3311766), Tustin (3311767) County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
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California Natural Diversity Database

Page 1009 of 1484 ends

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AGU15F0007 AGUAYO, J. (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2015-07-20 AMA16D0001 AMALONG, M. (ENVIRONMENTAL INTELLIGENCE) - TWO SHAPEFILES (NESTS, DETECTIONS) FOR SURVEY RESULTS FOR THE SAFARI SUBSTATION PROJECT, ORANGE COUNTY, 2016. 2016-XX-XX GAL03F0017 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2003-07-25 GAL04F0041 GALVIN, P. (HARMSWORTH ASSOCIATES) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2004-07-25 GAL05F0068 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2005-07-28 GAL10F0004 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2010-06-03 GAL96F0002 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 1996-04-10 HAM06R0001 HAMILTON, R. (HAMILTON BIOLOGICAL, INC.) - REPORT ON 2006 BELL'S VIREO AND WILLOW FLYCATCHER SURVEYS, LAKE FOREST DRIVE EXTENSION PROJECT, SAN JUAN CAPISTRANO, CA 2006-07-17 HAR01R0003 HARMSWORTH ASSOCIATES - REPORT ON LEAST BELL'S VIREO SURVEYS AT SAN DIEGO CREEK. 2001-11-XX HAR04R0002 HARMSWORTH ASSOCIATES - REPORT ON BIRD SURVEYS IN PLANNING AREAS 18 AND 39 2004-01-XX HAR05R0011 HARMSWORTH ASSOCIATES - REPORT ON BIRD SURVEYS IN PLANNING AREAS 18 AND 39, 2004 2005-01-XX HAR06R0001 HARMSWORTH ASSOCIATES - REPORT ON BIRD SURVEYS IN PLANNING AREAS 18 AND 39, 2005 2006-01-XX HAR07R0002 HARMSWORTH ASSOCIATES - REPORT ON 2007 BIRD SURVEYS IN PLANNING AREAS 18 AND 39 2007-11-XX HAR10R0003 HARMSWORTH ASSOCIATES (HARMSWORTH ASSOCIATES) - REPORT ON BIRD SURVEYS IN PLANNING AREAS 18 AND 39 2010. 2010-11-XX
HAR12R0003 HARMSWORTH ASSOCIATES (HARMSWORTH ASSOCIATES) - REPORT ON BIRD SURVEYS IN PLANNING AREAS 18 AND 39 2012. 2012-09-XX
HAR13R0002 HARMSWORTH ASSOCIATES (HARMSWORTH ASSOCIATES) - REPORT ON BIRD SURVEYS IN PLANNING AREAS 18 AND 39, 2013. 2013-12-XX
HER15U0014 HEREDIA, A. & J. AGUAYO (BONTERRA CONSULTING) - RESULTS OF THE LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER SURVEYS FOR THE INTERSTATE 405 IMPROVEMENT PROJECT FROM INTERSTATE 5 TO STATE ROUTE 55. 2015- 08-28
HOF08F0001 HOFFMAN, S. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2008-04-16 LEA05F0011 LEATHERMAN, B. (WHITE AND LEATHERMAN BIOSERVICES) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2005-04-18 Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 289 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1010 of 1484 ends

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DEL15F0017 DELUNA, A. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2015-XX-XX ERI97F0004 ERICKSON, R. (LSA ASSOCIATES, INC.) - FIELD SURVEY FORM FOR POLIOPTILA CALIFORNICA CALIFORNICA 1997-11-XX ERI97F0006 ERICKSON, R. (LSA ASSOCIATES, INC.) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 1997-07-XX GRI94F0005 GRIFFITH, J. (GRIFFITH WILDLIFE BIOLOGY) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 1994-07-01 HAR02R0001 HARMSWORTH ASSOCIATES - LEAST BELL'S VIREO MONITORING REPORT FOR BONITA CREEK 2002 2002-09-XX HEN15U0003 HENRY, R. ET AL. (DUDEK AND ASSOCIATES) - RESULTS 2015 LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW

FLYCATCHER FOCUSED SURVEYS FOR THE METROPOLITAN WATER DISTRICT ORANGE COUNTY OPERATING REGION'S DISTRIBUTION SYSTEM PROJECT. 2015-09-04
LEA15U0001 LEATHERMAN BIOCONSULTING, INC. - RESULTS OF FOCUSED SURVEYS LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER FOR THE PROPOSED TRAIL ADJACENT TO BONITA CHANNEL. 2015-08-10 LSA92R0001 LSA ASSOCIATES, INC. - BIOLOGICAL ASSESSMENT OF MACARTHUR BOULEVARD WIDENING AND BISON AVENUE EXTENSION. 1992-03-XX
Map Index Number: 53529 EO Index: 53529
Key Quad: Tustin (3311767) Element Code: ABPBW01114
Occurrence Number: 228 Occurrence Last Updated: 2018-09-24 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2015-07-07 Occurrence Type: Natural/Native occurrence Last Survey Date: 2015-07-07 Occurrence Rank: Good
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

BONITA CREEK FROM BONITA RESERVOIR TO BISON AVE (NW), ADJACENT TO HIGHWAY 73 AND BONITA CANYON DR, NEWPORT BEACH.

Detailed Location:

ACTIVE COWBIRD TRAPPING ALONG BONITA CREEK INITIATED IN 1994. 1 FEMALE BELONGING TO A 2002 PAIR WAS BANDED ON THE SANTA CLARA RIVER IN 2001. MAPPED TO NEST SITES ALONG "BONITA CHANNEL" AND "BONITA RESERVOIR." Ecological:

RIPARIAN HABITAT DOMINATED BY WILLOW WITH MULEFAT UNDERSTORY. SURROUNDING LAND USE INCLUDES RESIDENTIAL AND COMMERCIAL DEVELOPMENTS. 1 PAIR OF ACCIPTIER COOPERII MAY BE NESTING IN VICINITY OF BONITA CANYON RESERVOIR IN 1991.

Threats:

General:
1 SINGING MALE DETECTED 16 MAY 1990. 1 NESTING PAIR DETECTED, 1991. 5 ADULTS & 3+ JUVENILES MAY-JUL 1994. 1+ PAIRS DET, 2001. 3 PAIRS & 1 MALE DET 2002; 2 PAIRS FLEDGED 7 CHICKS. 3 PAIRS, 4 ADULTS & 2 JUVENILES DET, 2015.

PLSS: T06S, R09W, Sec. 20 (S) Accuracy: non-specific area Area (acres): 85 UTM: Zone-11 N3721686 E421225 Latitude/Longitude: 33.63208 / -117.84937 Elevation (feet): 99 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 290 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1011 of 1484 ends

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SURVEYS FOR THE COASTAL TREATMENT PLANT EXPORT SLUDGE FORCE MAIN PROJECT, SOUTH ORANGE COUNTY WASTEWATER AUTHORITY. 2011-12-30
Map Index Number: 53911 EO Index: 53911
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBW01114 Occurrence Number: 229 Occurrence Last Updated: 2018-10-05 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2011-07-21 Occurrence Type: Natural/Native occurrence Last Survey Date: 2011-07-29 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY-ALISO/WOOD CYN RP Trend: Unknown Presence: Presumed Extant
Location:

ALONG ALISO CREEK, APPROX 1.8 MI W (& SLIGHTLY NORTH) OF THE INTERSECTION OF I-5 & NIGUEL ROAD, W OF LAGUNA NIGUEL.

Detailed Location:

Ecological:

Threats:

General:
1 PAIR OBSERVED DURING 5 OF 8 SURVEYS CONDUCTED BETWEEN 2 MAY-19 JUL 2001. ONE PAIR WAS OBSERVED ON 21 MAY DURING SURVEYS OF ALISO CREEK FROM 20 MAY-29 JUL 2011; FATE OF THE PAIR WAS UNKNOWN.

PLSS: T07S, R08W, Sec. 29, SW (S) Accuracy: 1/5 mile Area (acres): 0 UTM: Zone-11 N3710342 E431046 Latitude/Longitude: 33.53045 / -117.74260 Elevation (feet): 80 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 291 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1012 of 1484 ends

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DUD01U0010 DUDEK & ASSOCIATES, INC. - LEAST BELL'S VIREO & SOUTHWESTERN WILLOW FLYCATCHER SURVEY FOR THE ALISO CREEK EMERGENCY SEWER AND PARKS IMPROVEMENT PROJECT, ORANGE COUNTY, CALIFORNIA 2001-09-10 USA17R0001 U.S. ARMY CORPS OF ENGINEERS - ALISO CREEK MAINSTEM ECOSYSTEM RESTORATION STUDY, ORANGE COUNTY, CALIFORNIA. DRAFT INTEGRATED FEASIBILITY REPORT. USACE, LOS ANGELES DIST. 516PP. 2017-09-XX WOT11U0002 WOTIPKA, T. (DUDEK AND ASSOCIATES) - FOCUSED LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER

SURVEYS FOR THE COASTAL TREATMENT PLANT EXPORT SLUDGE FORCE MAIN PROJECT, SOUTH ORANGE COUNTY WASTEWATER AUTHORITY. 2011-12-30
Map Index Number: 53912 EO Index: 53912
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBW01114 Occurrence Number: 230 Occurrence Last Updated: 2018-10-02 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2011-07-29 Occurrence Type: Natural/Native occurrence Last Survey Date: 2011-07-29 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY-ALISO/WOOD CYN RP Trend: Unknown Presence: Presumed Extant
Location:

ALONG ALISO CREEK, APPROX 1.5 MI NW OF THE INTERSECTION OF I-5 AND NIGUEL ROAD, NW OF LAGUNA NIGUEL.

Detailed Location:

MAPPED TO PROVIDED MAPS. AN ESTIMATED 3 TO 4 TERRITORIES APPEAR TO BE PRESENT YEARLY FOR ABOUT SEVEN TO EIGHT YEARS SINCE 2009.

Ecological:

HABITAT IN AREA CONSISTS OF SOUTHERN WILLOW SCRUB.

Threats:

General:
1 PAIR OBS THROUGHOUT SURVEY DURING 2 MAY-19 JUL 2001: PAIR OBS MOVING SOUTH THROUGH THE SURVEY. A SECOND PAIR LOCATED JUST S OF THIS PAIR ASSUMED TO HAVE ABANDONED TERRITORY. 5 PAIRS OBSERVED DURING SURVEYS FROM 20 MAY-29 JUL 2011.

PLSS: T07S, R08W, Sec. 21 (S) Accuracy: non-specific area Area (acres): 149 UTM: Zone-11 N3711816 E432554 Latitude/Longitude: 33.54384 / -117.72648 Elevation (feet): 101 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 292 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1013 of 1484 ends

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ROJ01F0001 ROJA, D. (CALIFORNIA DEPARTMENT OF PARKS AND RECREATION) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2001- 06-12
Map Index Number: 54493 EO Index: 54493
Key Quad: Laguna Beach (3311757) Element Code: ABPBW01114 Occurrence Number: 251 Occurrence Last Updated: 2004-02-25 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2001-06-12 Occurrence Type: Natural/Native occurrence Last Survey Date: 2001-06-12 Occurrence Rank: Fair
Owner/Manager: DPR-CRYSTAL COVE SP Trend: Unknown
Presence: Presumed Extant
Location:

MUDDY CANYON, JUST INLAND OF THE PACIFIC COAST HIGHWAY, 1 MILE SE OF CRYSTAL COVE.

Detailed Location:

Ecological:

HABITAT CONSISTS OF SOUTHERN WILLOW SCRUB COMPRISED OF WILLOW SPP. VIREOS FREQUENTLY SEEN USING SAMBUCUS MEXICANA AND HAVE SUCCESSFULLY NESTED IN MALACOTHAMNUS FASCICULATUS. HOUSING DEVELOPMENT OCCURRING ADJACENT TO THE STATE PARK.

Threats:

General:

A MALE WAS OBSERVED ON 2 MAY 2001. A NEST WITH 4 EGGS WAS LOCATED ON 17 MAY 2001. THREE (POSSIBLY 4) FLEDGLINGS DETECTED ON 12 JUN 2001. EXOTIC PLANTS IN AREA INCLUDE HEDERA HELIX, RICINUS COMMUNIS, TROPAEOLUM MAJUS & CYNARA CARDUNCULUS.

PLSS: T07S, R09W, Sec. 16 (S) Accuracy: 2/5 mile Area (acres): 0 UTM: Zone-11 N3714530 E423488 Latitude/Longitude: 33.56771 / -117.82434 Elevation (feet): 100 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 293 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1014 of 1484 ends

Sources:

BON02U0009 JOHNSTON, A. & B. DANIELS (BONTERRA CONSULTING) - RESULTS OF SOUTHWESTERN WILLOW FLYCATCHER AND LEAST

BELL'S VIREO SURVEY AT THE CROWN VALLEY PARKWAY BRIDGE PROJECT SITE, UNINCORPORATED ORANGE COUNTY, CALIFORNIA. 2002-08-19
DAN05F0002 DANIELS, B. (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2005-08-04 DUD01U0013 DUDEK & ASSOCIATES, INC. - REPORT FOR THE ARROYO TRABUCO GOLF COURSE PROJECT LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER PRESENCE/ABSENCE SURVEY, ORANGE COUNTY. 2001-01-03 LEA05F0013 LEATHERMAN, B. (WHITE AND LEATHERMAN BIOSERVICES) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2005-06-02 POS09F0002 POSTON, R. (DESIGN + PLANNING AT AECOM) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2009-06-15 TIS05R0001 TISCHER, C. (ECORP CONSULTING, INC.) - COASTAL CALIFORNIA GNATCATCHER AND LEAST BELL'S VIREO TECHNICAL REPORT OF FINDINGS MISSION VIEJO BONEYARD, ORANGE COUNTY, CALIFORNIA 2005-08-XX Map Index Number: 54498 EO Index: 54498
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBW01114 Occurrence Number: 252 Occurrence Last Updated: 2018-08-31 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2009-06-15 Occurrence Type: Natural/Native occurrence Last Survey Date: 2009-06-15 Occurrence Rank: Good
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

ARROYO TRABUCO; FROM CROWN VALLEY PARKWAY EXTENDING NORTH 0.6 MILE AND SOUTH 1.7 MILES ALONG ARROYO TRABUCO.

Detailed Location:

MAPPED TO PROVIDED MAP LOCATIONS. SITE WAS PURPOSED WITH SAND AND GRAVEL EXTRACTION FROM EARLY 20TH CENTURY UNTIL MID-1990S. MAJORITY OF DETECTIONS MADE IN THE NORTHERN PORTION OF FEATURE. DETECTIONS IN 2000 SPAN LENGTH OF FEATURE.

Ecological:

HABITAT WAS BROAD OPEN FLOODPLAIN WITH SAND/GRAVEL SUBSTRATE DOMINATED BY WILLOW RIPARIAN WOODLAND. NON-NATIVE GRASSLAND AND COASTAL SAGE SCRUB DOMINATE ADJACENT HILLSIDES. BROWN-HEADED COWBIRDS HAVE BEEN OBSERVED AT THIS LOCATION.

Threats:

POSSIBLE THREATS INCLUDE CONSTRUCTION OF GOLF COURSE AND RECREATIONAL ACTIVITIES INCLUDING OHV USE AND PAINT BALL WARS.

General:
11 PAIRS & SINGLE MALE DETECTED IN 2000. 4 PAIRS/TERRITORIES, 2-3 YOUNG, & 1+ LONE MALE APR-JUL 2002; 2 PAIRS CONFIRMED NESTING. 4 PAIRS & AT LEAST 2 FLEDGLINGS MAY-JUL 2005. 1 MALE & POSSIBLE FEMALE DETECTED IN JUN 2009.

PLSS: T07S, R07W, Sec. 19 (S) Accuracy: non-specific area Area (acres): 259 UTM: Zone-11 N3713095 E439217 Latitude/Longitude: 33.55577 / -117.65479 Elevation (feet): 280 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 294 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1015 of 1484 ends

Map Index Number: 54502 EO Index: 54502
Key Quad: El Toro (3311766) Element Code: ABPBW01114
Occurrence Number: 253 Occurrence Last Updated: 2018-10-04 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2013-XX-XX Occurrence Type: Natural/Native occurrence Last Survey Date: 2013-XX-XX Occurrence Rank: Good
Owner/Manager: PVT-IRVINE CO Trend: Unknown
Presence: Presumed Extant
Location:

AGUA CHINON WASH, 0.9 MILES SE OF LAMBERT RESERVOIR (DRAINED), N OF EL TORO.

Detailed Location:

UNCLEAR IF THE SAME PAIR WERE DETECTED EACH YEAR. 2004 DETECTION INCLUDED 4 PAIRS/9 CHICKS, 2005 INCLUDED 4 PAIRS/13 CHICKS, AND 2010 INCLUDED 7 PAIRS/18 CHICKS, ALL DETECTED IN SURROUNDING AREAS AND ARE SHARED WITH OCCURRENCES #253 & 254.

Ecological:

HABITAT WAS WILLOW WOODLAND DOMINATED BY BLACK WILLOW AND MULEFAT. SURFACE WATER/SATURATED SOIL IS PRESENT AT SITE.

SURROUNDING LAND CONSISTED OF ORCHARD, NURSERY AND WILDLANDS. FIRE BURNED LARGE PORTION OF AREA IN 2007.

Threats:

DEVELOPMENT.

General:
1 PAIR & 1 YOUNG IN 2003; 4 EGGS DEPREDATED EARLIER IN SEASON. 1 PAIR & AT LEAST 3 YOUNG DETECTED FROM 2004-2008. 1 PAIR W/ 4 YOUNG & 1 TERRITORIAL MALE IN 2010. 1 PAIR W/ 4 YOUNG IN 2012. 2 PAIRS W/ 10 YOUNG IN 2013.

PLSS: T05S, R08W, Sec. 35, SW (S) Accuracy: non-specific area Area (acres): 31 UTM: Zone-11 N3727938 E435697 Latitude/Longitude: 33.68944 / -117.69378 Elevation (feet): 620 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 295 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1016 of 1484 ends

Sources:

DAV08F0006 DAVENPORT, A. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2008-05-13 DAV08R0001 DAVENPORT, A. (DAVENPORT BIOLOGICAL SERVICES) - LEAST BELL'S VIREO PRESENCE/ABSENCE SURVEY AGUA CHINON RETARDING BASIN ORANGE COUNTY, CA 2008-08-03
GAL03F0015 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2003-07-31 GAL03R0001 GALVIN, P. & B. KARPMAN (HARMSWORTH ASSOCIATES) - REPORT ON BIOLOGICAL SURVEYS IN PLANNING AREA 6, CITY OF IRVINE, ORANGE COUNTY, CALIFORNIA 2003-06-17
GAL04F0035 GALVIN, P. (HARMSWORTH ASSOCIATES) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2004-07-31 GAL05F0067 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2005-07-23 GAL10F0008 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2010-05-26 HAR07R0004 HARMSWORTH ASSOCIATES - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 6 2007-11-XX HAR08R0002 HARMSWORTH ASSOCIATES - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 6 2008-11-XX HAR10R0002 HARMSWORTH ASSOCIATES (HARMSWORTH ASSOCIATES) - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 6 2010. 2010-11-XX
HAR12R0004 HARMSWORTH ASSOCIATES (HARMSWORTH ASSOCIATES) - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 6 2012. 2012-09-XX
HAR13R0001 HARMSWORTH ASSOCIATES (HARMSWORTH ASSOCIATES) - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 6, 2013. 2013-12-XX
Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1017 of 1484 ends

Map Index Number: 54503 EO Index: 54503
Key Quad: El Toro (3311766) Element Code: ABPBW01114
Occurrence Number: 254 Occurrence Last Updated: 2018-09-19 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2017-05-22 Occurrence Type: Natural/Native occurrence Last Survey Date: 2017-05-22 Occurrence Rank: Excellent Owner/Manager: PVT-IRVINE CO Trend: Unknown
Presence: Presumed Extant
Location:

N AND E EDGE OF LAMBERT RESERVOIR (DRAINED) AND NEAR TOMATO SPRING, ABOUT 1.5 MI E OF HWY 133 AT IRVINE BLVD, EL TORO.

Detailed Location:

NESTING PAIRS FROM 2004-06 PRESUMED TO HAVE FLEDGED YOUNG ALTHOUGH EXACT NUMBERS UNKNOWN. UNCLEAR IF SAME PAIR WAS DETECTED EACH YEAR. 7 PAIRS/18 CHICKS DETECTED IN 2010 IN SURROUNDING AREAS INCLUDING OCCURRENCES #253 & 255.

Ecological:

RIPARIAN HABITAT ALONG NARROW DRAINAGE DOMINATED BY WILLOW AND MULEFAT WITH CASTOR BEAN, TREE TABACCO, AND TAMARISK IN UPLAND AREAS. SANTIAGO FIRE BURNED LARGE PORTION OF AREA IN 2007. YELLOW-BREASTED CHATS NESTED IN THE AREA.

Threats:
2003 PAIR MADE SEVERAL NESTING ATTEMPTS, ONE OF WHICH FAILED DUE TO COWBIRD PARASITISM. AREA PROPOSED FOR DEVELOPMENT.

General:
1 UNSUCCESSFUL PAIR IN 2001. 1-2 PAIRS OBSERVED WITH 1-8 YOUNG YEARLY FROM 2003-2008. 6 PAIRS & 2 TERRITORIAL MALES IN 2010. 9 PAIRS AND 19 FLEDGLINGS IN 2012. 9 PAIRS AND 30+ FLEDGLINGS IN 2013. 1 TERRITORIAL MALE OBS MAR-MAY 2017.

PLSS: T05S, R08W, Sec. 34, NW (S) Accuracy: non-specific area Area (acres): 161 UTM: Zone-11 N3728501 E434371 Latitude/Longitude: 33.69444 / -117.70814 Elevation (feet): 507 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 297 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1018 of 1484 ends

Sources:

DEE17F0001 DEE, T. ET AL. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2017-05-22 GAL03F0015 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2003-07-31 GAL03R0001 GALVIN, P. & B. KARPMAN (HARMSWORTH ASSOCIATES) - REPORT ON BIOLOGICAL SURVEYS IN PLANNING AREA 6, CITY OF IRVINE, ORANGE COUNTY, CALIFORNIA 2003-06-17
GAL04F0035 GALVIN, P. (HARMSWORTH ASSOCIATES) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2004-07-31 GAL05F0067 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2005-07-23 GAL10F0008 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2010-05-26 HAR01R0004 HARMSWORTH ASSOCIATES - REPORT ON BIOLOGICAL SURVEYS FOR THE IRVINE NORTHERN SPHERE 2001-10-XX HAR07R0004 HARMSWORTH ASSOCIATES - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 6 2007-11-XX HAR08R0002 HARMSWORTH ASSOCIATES - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 6 2008-11-XX HAR10R0002 HARMSWORTH ASSOCIATES (HARMSWORTH ASSOCIATES) - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 6 2010. 2010-11-XX
HAR12R0004 HARMSWORTH ASSOCIATES (HARMSWORTH ASSOCIATES) - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 6 2012. 2012-09-XX
HAR13R0001 HARMSWORTH ASSOCIATES (HARMSWORTH ASSOCIATES) - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 6, 2013. 2013-12-XX
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1019 of 1484 ends

Sources:

DUD01U0014 DUDEK & ASSOCIATES, INC. - 45-DAY REPORT FOR THE IRVINE COMPANY SOUTHWESTERN WILLOW FLYCATCHER AND LEAST BELL'S VIREO FOCUSED SURVEYS, ORANGE COUNTY, CALIFORNIA 2001-11-20 GAL06F0029 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2006-05-01 GAL14F0010 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2014-06-07 HAR07R0003 HARMSWORTH ASSOCIATES - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 1 FOR 2007 2007-11- XX
HAR08R0003 HARMSWORTH ASSOCIATES - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 1 FOR 2008 2008-11- XX
HAY04R0002 HAYWORTH, A. & J. PRIEST (DUDEK AND ASSOCIATES) - 45-DAY REPORT FOR THE IRVINE COMPANY SOUTHWESTERN WILLOW FLYCATCHER AND LEAST BELL'S VIREO FOCUSED SURVEYS, ORANGE COUNTY, CALIFORNIA 2004-09-30 HEN15U0003 HENRY, R. ET AL. (DUDEK AND ASSOCIATES) - RESULTS 2015 LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW

FLYCATCHER FOCUSED SURVEYS FOR THE METROPOLITAN WATER DISTRICT ORANGE COUNTY OPERATING REGION'S DISTRIBUTION SYSTEM PROJECT. 2015-09-04
Map Index Number: 54506 EO Index: 54506
Key Quad: El Toro (3311766) Element Code: ABPBW01114
Occurrence Number: 256 Occurrence Last Updated: 2018-09-14 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2015-07-31 Occurrence Type: Natural/Native occurrence Last Survey Date: 2015-07-31 Occurrence Rank: Good
Owner/Manager: IRVINE RANCH WATER DISTRICT Trend: Unknown Presence: Presumed Extant
Location:

JUST N TO NE OF RATTLESNAKE RESERVOIR, ABOUT 5 MILES EAST OF TUSTIN.

Detailed Location:

SITE REFERRED TO AS THE IRVINE COMPANY PLANNING AREA 1 (PA1). AREA TO THE N OF RESERVOIR SERVES AS A VIREO MITIGATION SITE. 5 VIREO TERRITORIES WERE MONITORED FROM 2007-2008. LONE MALES DETECTED IN 2007-2008. ACTIVE COWBIRD TRAPPING ONSITE.

Ecological:

HABITAT TO THE NORTH OF RATTLESNAKE RESERVOIR CONSISTS OF SOUTHERN WILLOW SCRUB. SANTIAGO FIRE BURNED LARGE PORTION OF PA1 AND SURROUNDING AREAS IN OCT 2007. NESTING YELLOW-BREASTED CHATS ALSO OBSERVED IN THE AREA.

Threats:

General:
2 PAIRS & 1 MALE IN 2001. 2 PAIRS & 3 FLEDGLINGS, IN 2004. 2 PAIRS & 1 MALE DETECTED IN 2006. 4 PAIRS PRODUCED 8 YOUNG IN 2007. 2 PAIRS PRODUCED 7 YOUNG IN 2008. 15 BREEDING PAIRS & 1 MALE IN 2014. 2 PAIRS WITH FLEDGLINGS, & 1 MALE IN 2015.

PLSS: T05S, R08W, Sec. 17, SE (S) Accuracy: specific area Area (acres): 53 UTM: Zone-11 N3732638 E431730 Latitude/Longitude: 33.73157 / -117.73695 Elevation (feet): 413 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 299 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1020 of 1484 ends

Map Index Number: 33833 EO Index: 54507
Key Quad: Tustin (3311767) Element Code: ABPBW01114
Occurrence Number: 257 Occurrence Last Updated: 2018-10-04 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2015-07-15 Occurrence Type: Natural/Native occurrence Last Survey Date: 2015-07-15 Occurrence Rank: Good
Owner/Manager: UC-IRVINE, ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

SAN DIEGO CREEK CHANNEL BETWEEN HIGHWAY 73 AND I-405, IRVINE.

Detailed Location:

PRIMARY DETECTION SITES INCLUDE UC NATURAL RESERVE SYSTEM'S SAN JOAQUIN FRESHWATER RESERVE (DUCK PONDS), SAN DIEGO CREEK FLOOD CONTROL CHANNEL, AND IRVINE RANCH WATER DISTICT WASTEWATER TREATMENT PLANT.

Ecological:

HABITAT CONSISTED OF COASTAL SAGE SCRUB, WILLOW SCRUB, MULE FAT, FRESHWATER MARSH, SALTWATER MARSH, ORNAMENTALS, RUDERAL, OPEN WATER & RIP RAP. VEGETATION BETWEEN I-405 & CAMPUS DR WAS CLEARED IN 2007, LEAVING A 40 FT WILLOW BUFFER ZONE.

Threats:

POSSIBLE THREATS INCLUDE EXOTIC WEEDS, FLOODING, COWBIRD NEST PARASITISM, AND NEST PREDATION.

General:
2003: 1+ TERRITORIAL MALE. 04: 5 TERR MALES W/ 9 ADULTS & 1 JUVENILE. 05-06: 2-4 ADULTS. 07: 4 NESTING PAIRS (2 SUCCESSFUL) & 4 MALES. 10: 3 NESTS & 6 TERR MALES. 11: 3 EGGS COLLECTED. 12: 3 BIRDS. 13: 13 ADULTS/5 JUVS. 15: 5 PAIRS/2 JUVS.

PLSS: T06S, R09W, Sec. 08 (S) Accuracy: specific area Area (acres): 230 UTM: Zone-11 N3724798 E422083 Latitude/Longitude: 33.66021 / -117.84038 Elevation (feet): 10 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 300 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1021 of 1484 ends

Sources:

AGU13F0002 AGUAYO, J. (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2013-07-01 AGU15F0007 AGUAYO, J. (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2015-07-20 AGU15F0013 AGUAYO, J. (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2015-07-15 AHR12U0002 AHRENS, J. (GLENN LUKOS ASSOCIATES) - SUBMITTAL OF REPORT FOR THE SOUTHWESTERN WILLOW FLYCATCHER AND LEAST BELL'S VIREO AT THE UPPER NEWPORT BAY BLOW OFF STRUCTURE REHABILITATION PROJECT. 2012-08-21 AHR13U0002 AHRENS, J. (GLENN LUKOS ASSOCIATES) - SUBMITTAL OF REPORT FOR THE SOUTHWESTERN WILLOW FLYCATCHER AND

LEAST BELL'S VIREO AT THE ORANGE COUNTY FEEDER BLOW-OFF STRUCTURE REHABILITATION PROJECT, NEWPORT BEACH. 2013-08-26
BLO04F0001 BLOOM, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2004-06-20 BLO04R0001 BLOOM, P. - 45-DAY REPORT ON SURVEYS FOR THE LEAST BELL'S VIREO IN SAN DIEGO CREEK, IRVINE, CALIFORNIA 2004-07- 24 CHA03F0002 CHAMBERS GROUP, INC. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2003-07-15 ERI10R0003 ERICKSON, R. (LSA ASSOCIATES, INC.) - SOUTHWESTERN WILLOW FLYCATCHER AND LEAST BELL'S VIREO SURVEY RESULTS:

SAN JOAQUIN MARSH AND SAN DIEGO CREEK, IRVINE, MARCH-JULY 2010 2010-10-15 ERI11S0001 ERICKSON, R. (WESTERN FOUNDATION OF VERTEBRATE ZOOLOGY) - WFVZ EGG-NEST COLLECTION #183980 2011-05-09 ERI11S0002 ERICKSON, R. (WESTERN FOUNDATION OF VERTEBRATE ZOOLOGY) - WFVZ EGG-NEST COLLECTION #183981 2011-05-09 ERI11S0006 ERICKSON, R. (WESTERN FOUNDATION OF VERTEBRATE ZOOLOGY) - WFVZ EGG-NEST COLLECTION #183990 2011-06-20 GAL03F0018 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2003-07-05 GAL05F0069 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2005-06-01 HAR07R0001 HARMSWORTH ASSOCIATES - 2006 REPORT ON AVIAN SURVEYS AT THE UC NATURAL RESERVE SYSTEMS'S SAN JOAQUIN FRESHWATER MARSH RESERVE 2007-01-XX
HAR08R0001 HARMSWORTH ASSOCIATES - 2007 REPORT ON AVIAN SURVEYS AT THE UC NATURAL RESERVE SYSTEM'S SAN JOAQUIN FRESHWATER MARSH RESERVE 2008-01-XX
HER13U0002 HEREDIA, A. & J. AGUAYO (BONTERRA CONSULTING) - RESULTS OF THE LEAST BELL'S VIREO SURVEY FOR THE SAN DIEGO CREEK REACH II OPERATIONS AND MAINTENANCE PROJECT. 2013-08-19 HER15U0014 HEREDIA, A. & J. AGUAYO (BONTERRA CONSULTING) - RESULTS OF THE LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER SURVEYS FOR THE INTERSTATE 405 IMPROVEMENT PROJECT FROM INTERSTATE 5 TO STATE ROUTE 55. 2015- 08-28
HER15U0015 HEREDIA, A. & J. AGUAYO (BONTERRA CONSULTING) - RESULTS OF THE LEAST BELL'S VIREO SURVEY FOR THE SAN DIEGO CREEK REACH II OPERATIONS AND MAINTENANCE PROJECT. 2015-09-04 LAN15F0002 LANCASTER, C. (ECORP CONSULTING, INC.) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS [SC-012543] 2015-08-05 ONE07F0011 O'NEAL, A. & J. PIKE (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2007-04-10 ONE07U0001 ONEAL, A. (BONTERRA CONSULTING) - RESULTS OF SOUTHWESTERN WLLOW FLYCATCHER AND LEAST BELL'S VIREO SURVEY FOR THE SAN DIEGO CREEK PROJECT SITE, CITY OF IRVINE, ORANGE COUNTY, CALIFORNIA 2007-09-24 STE07F0010 STEWART, S. (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2007-07-03 TAN12U0001 TANAKA, M. & E. COOLEY (PCR SERVICES CORPORATION) - RESULTS OF FOCUSED SURVEYS FOR LEAST BELL'S VIREO FOR SAN DIEGO CREEK REACH II OPERATIONS AND MAINTENANCE PROJECT. 2012-10-04 Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1022 of 1484 ends

Sources:

ERI08S0001 ERICKSON, R. (WESTERN FOUNDATION OF VERTEBRATE ZOOLOGY) - WFVZ EGG-NEST COLLECTION #178289 2008-06-30 ERI08U0001 ERICKSON, R. (LSA ASSOCIATES, INC.) - LEAST BELL'S VIREO AND COASTAL CALIFORNIA GNATCATCHER SURVEY RESULTS, BOMMER CANYON, ORANGE COUNTY, CALIFORNIA 2008-11-21
Map Index Number: 90128 EO Index: 91139
Key Quad: Tustin (3311767) Element Code: ABPBW01114
Occurrence Number: 371 Occurrence Last Updated: 2013-08-20 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2008-06-30 Occurrence Type: Natural/Native occurrence Last Survey Date: 2008-06-30 Occurrence Rank: Unknown
Owner/Manager: CITY OF IRVINE Trend: Unknown
Presence: Presumed Extant
Location:

LOWER BOMMER CANYON, ABOUT 0.3 MILE SW OF SUNNYHILL ST AND SHADY CANYON DR INTERSECTION, SAN JOAQUIN HILLS.

Detailed Location:

DETECTIONS PRIMARILY NEAR TRAIL FOOTBRIDGE; APPEARS TO BE AT APPROXIMATELY -117.8058, 33.6291 BASED ON AERIAL PHOTOS (2003- 2012) OF LOWER BOMMER CANYON.

Ecological:

HABITAT CONSISTED OF COASTAL SAGE SCRUB, RIPARIAN SCRUB, WOODLAND, AND ANNUAL GRASSLAND. NESTING CALIFORNIA GNATCATCHERS OBSERVED IN 2008. 1 EGG-NEST COLLECTION (WFVZ #178289) ON 30 JUN 2008.

Threats:

General:

VIREOS OBSERVED EVERY DAY DURING EIGHT PROTOCOL SURVEYS FROM 17 APR-30 JUN 2008; A NEST WITH 2 MID-SIZED NESTLINGS WAS OBSERVED ON 19 JUN, SAME NEST WAS EMPTY BY 30 JUN BUT ADULTS WERE OBSERVED TENDING TO 1 FLEDGLING NEARBY.

PLSS: T06S, R09W, Sec. 22, S (S) Accuracy: non-specific area Area (acres): 20 UTM: Zone-11 N3721255 E425332 Latitude/Longitude: 33.62849 / -117.80504 Elevation (feet): 280 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1023 of 1484 ends

Sources:

ROM04F0003 ROMICH, M. (P&D CONSULTANTS) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2004-08-08 WIL05U0005 WILLICK, D. (P&D CONSULTANTS) - RESULTS OF A NESTING BIRD SURVEY, AND LEAST BELL'S VIREO MONITORING, FOR THE JEFFREY ROAD/I-405 BICYCLE BRIDGE PROJECT, CIP 390320 2005-03-14 Map Index Number: 90135 EO Index: 91147
Key Quad: Tustin (3311767) Element Code: ABPBW01114
Occurrence Number: 372 Occurrence Last Updated: 2013-08-20 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2004-07-01 Occurrence Type: Natural/Native occurrence Last Survey Date: 2004-08-08 Occurrence Rank: Poor
Owner/Manager: CITY OF IRVINE Trend: Unknown
Presence: Presumed Extant
Location:

NE CORNER OF I-405 AT JEFFREY RD, ABOUT 2.4 MILES NW OF LAGUNA DAM, IRVINE.

Detailed Location:

MAPPED TO PROVIDED COORDINATES AND MAPS. SITE LOCATED ADJACENT TO EXIT #4 ON N SIDE OF I-405. DETECTION HIGHLY UNEXPECTED DUE TO LACK OF SUITABLE HABITAT.

Ecological:

VEGETATION CLASSIFIED AS 100% NON-NATIVE, FREEWAY TYPE LANDSCAPING INCLUDING EUCALYPTUS AND MYOPORUM SPECIES. NEST CONSTRUCTED IN MYOPORUM SP.

Threats:

URBAN DISTURBANCE AND PROPOSED BICYCLE ALIGNMENT.

General:

FAMILY GROUP FIRST DETECTED ON 1 JUL 2004; ADULT MALE INITIALLY OBSERVED ALONG WITH 2 FLEDGLINGS DETECTED AURALLY. ADULT OBSERVED MAKING SEVERAL FEEDING VISITS TO JUVENILES. FAMILY GROUP EXPECTED TO HAVE DISPERSED BY 28 JUL.

PLSS: T06S, R09W, Sec. 11, SW (S) Accuracy: 1/10 mile Area (acres): 0 UTM: Zone-11 N3725239 E426554 Latitude/Longitude: 33.66450 / -117.79220 Elevation (feet): 120 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Page 1024 of 1484 ends

Sources:

BAR05U0001 BARONI, I. (LSA ASSOCIATES, INC.) - LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER SURVEYS FOR LAGUNA CANYON ROAD (SR-133) CONSTRUCTION MONITORING, ORANGE COUNTY, CALIFORNIA 2005-10-28 BAR06F0022 BARONI, I. (LSA ASSOCIATES, INC.) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2006-09-17 ERI97F0005 ERICKSON, R. (LSA ASSOCIATES, INC.) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 1997-07-XX Map Index Number: 90140 EO Index: 91154
Key Quad: Tustin (3311767) Element Code: ABPBW01114
Occurrence Number: 373 Occurrence Last Updated: 2018-09-04 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2006-09-17 Occurrence Type: Natural/Native occurrence Last Survey Date: 2006-09-17 Occurrence Rank: Fair
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

VICINITY OF LAGUNA CANYON ROAD (SR-133) AND LAKE FOREST DR INTERSECTION, EASTERN SAN JOAQUIN HILLS, SE OF IRVINE.

Detailed Location:

MAPPED TO PROVIDED COORDINATES AND MAPS. NEAR HISTORICAL LOCATION OF LAGUNA RESERVOIR. AERIAL PHOTOS (1994-2011) SHOW THAT HABITAT IS HIGHLY DEGRADED AND AREA APPEARS TO BE GRADED FOR RESIDENTIAL DEVELOPMENT.

Ecological:

HABITAT CONSISTED OF GRASSLAND, COASTAL SAGE SCRUB, CHAPARRAL, SEASONAL WETLANDS, FRESHWATER MARSH, WOODY RIPARIAN HABITAT AND OAK WOODLAND WITH CROSSING ROADWAYS. LAGUNA RESERVOIR DRAINED IN 2004 AND EDGE VEGETATION WAS CUT.

Threats:

POSSIBLE THREATS INCLUDE ROAD WIDENING AND EXOTIC SPECIES.

General:
1 SINGING MALE OBS APR-MAY 1997. 1 PAIR PRODUCED 4 EGGS ON 22 MAY & FLEDGED AT LEAST 2 YOUNG ON 12 JUN 2005; FIRST CONFIRMED BREEDING TERRITORY SINCE SURVEYS BEGAN IN 2003. 2 ADULTS (PRESUMED PAIR) & 5 JUVENILES OBS FROM 17 MAR-17 SEP 2006.

PLSS: T06S, R08W, Sec. 19, NW (S) Accuracy: 1/10 mile Area (acres): 0 UTM: Zone-11 N3722444 E429584 Latitude/Longitude: 33.63950 / -117.75930 Elevation (feet): 265 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1025 of 1484 ends

Sources:

COO11U0002 COOPER, T. - 45-DAY REPORT FOR RIPARIAN BIRD SURVEYS WETLANDS AND RIPARIAN MITIGATION FOR LAGUNA CANYON ROAD. 2011-05-29
KAM11F0020 KAMADA, D. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2011-03-16 Map Index Number: 90171 EO Index: 91182
Key Quad: Laguna Beach (3311757) Element Code: ABPBW01114 Occurrence Number: 374 Occurrence Last Updated: 2018-09-04 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2011-06-XX Occurrence Type: Natural/Native occurrence Last Survey Date: 2011-06-XX Occurrence Rank: Fair
Owner/Manager: ORA COUNTY-LAGUNA COAST WP Trend: Unknown Presence: Presumed Extant
Location:

LAGUNA CANYON, E SIDE OF HWY 133/LAGUNA CANYON RD, ABOUT 1.1 MILES N OF ITS INTERSECTION WITH HWY 73, SE OF IRVINE.

Detailed Location:

MAPPED TO PROVIDED COORDINATES FOR PAIR LOCATIONS. GENERAL LOCATION DESCRIPTION WAS "LAGUNA CANYON NORTH OF THE 73 TOLL ROAD."
Ecological:

PREDOMINANTLY COASTAL SAGE SCRUB AND GRASSLAND WITH LESSER AREAS OF CHAPARRAL, OAK AND RIPARIAN WOODLANDS.

SURROUNDING AREA WAS OPEN SPACE.

Threats:

General:
1 PAIR AND 1 SOLITARY MALE OBSERVED IN APR-JUL 2010. 1 PAIR AND 1 ADULT OBSERVED FORAGING, PERCHING, AND CALLING (TERRITORIAL) DURING PROTOCOL SURVEYS FOR CALIFORNIA GNATCATCHER MAR-JUN 2011; REPORTER CLASSIFIED INDIVIDUAL AS BREEDING.

PLSS: T06S, R08W, Sec. 31, NW (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3719031 E429597 Latitude/Longitude: 33.60872 / -117.75889 Elevation (feet): 368 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1026 of 1484 ends

Sources:

LEA02F0006 LEATHERMAN, B. (WHITE AND LEATHERMAN BIOSERVICES) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2002-05-03 PRI02R0003 PRIEST, J. (DUDEK AND ASSOCIATES) - FOCUSED SURVEY REPORT FOR THE 2002 PECTIN REEF SOUTHWESTERN WILLOW

FLYCATCHER, LEAST BELL'S VIREO AND COASTAL CALIFORNIA GNATCATCHER, LAGUNA HILLS, ORANGE COUNTY, CALIFORNIA 2002-09-09
Map Index Number: 90188 EO Index: 91199
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBW01114 Occurrence Number: 375 Occurrence Last Updated: 2013-08-21 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2002-07-16 Occurrence Type: Natural/Native occurrence Last Survey Date: 2002-07-16 Occurrence Rank: Poor
Owner/Manager: ORA COUNTY-ALISO/WOOD CYN RP Trend: Unknown Presence: Presumed Extant
Location:

ALISO CREEK, ABOUT 0.3 MILE E OF ALISO VIEJO PARKWAY AND ALISO CREEK RD, LAGUNA HILLS.

Detailed Location:

SITE REFERRED TO AS PECTIN REEF PROJECT AREA. MAPPED TO PROVIDED COORDINATES AND MAP LOCATIONS. STREAM FED WITH URBAN RUN-OFF.

Ecological:

HABITAT CONSISTED OF COYOTE BRUSH SCRUB, COASTAL SAGE SCRUB, DISTURBED COASTAL SAGE SCRUB, DISTURBED HABITAT,

FRESHWATER MARSH, HERBACEOUS WETLAND, CALIFORNIA MUGWORT DOMINATED WETLAND, MULE FAT SCRUB, WILLOW SCRUB, ORNAMENTALS AND RUDERAL.

Threats:

POSSIBLE THREAT DUE TO RECREATION. UP TO 5 COWBIRDS DETECTED DURING SURVEYS.

General:
1 BREEDING PAIR AND 1 MALE OBSERVED IN 2002; PAIR DETECTED THROUGHOUT BREEDING SEASON AND MALE DETECTED ON 14 JUN 2002.

PROTOCOL SURVEYS CONDUCTED FROM 23 APR-16 JUL 2002.

PLSS: T07S, R08W, Sec. 04, SE (S) Accuracy: non-specific area Area (acres): 22 UTM: Zone-11 N3716596 E433681 Latitude/Longitude: 33.58702 / -117.71468 Elevation (feet): 240 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 306 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1027 of 1484 ends

Sources:

HAM04U0002 HAMILTON, R. (HAMILTON BIOLOGICAL, INC.) - REPORT ON SOUTHWESTERN WILLOW FLYCATCHER SURVEYS LA NOVIA BRIDGE PROJECT, SAN JUAN CAPISTRANO, CA 2004-07-27
HAM05U0002 HAMILTON, R. (HAMILTON BIOLOGICAL, INC.) - REPORT ON 2005 SOUTHWESTERN WILLOW FLYCATCHER SURVEYS LA NOVIA BRIDGE PROJECT, SAN JUAN CAPISTRANO, CA 2005-08-01
Map Index Number: 90190 EO Index: 91201
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBW01114 Occurrence Number: 376 Occurrence Last Updated: 2013-08-21 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2005-07-16 Occurrence Type: Natural/Native occurrence Last Survey Date: 2005-07-16 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

SAN JUAN CREEK, AREA E OF I-5, S OF ORTEGA HWY, E OF LA NOVIA AVE, AND N OF SAN JUAN CREEK RD, SAN JUAN CAPISTRANO.

Detailed Location:

AREA ADJACENT TO SAN JUAN HILLS COUNTRY CLUB/GOLF COURSE. DETECTIONS MADE IN THE AREA JUST W OF LA NOVIA AVE BRIDGE.

MAPPED TO GENERAL SURVEY SITE ON PROVIDED MAPS.

Ecological:

DOMINANT TREE SPECIES INCLUDED BLACK WILLOW, ARROYO WILLOW, AND RED WILLOW. FRESHWATER MARSH UNDERSTORY COMPRISED OF TYPHY SP., SCIRPUS SP., WITH SANDBAR WILLOW AND MULEFAT.

Threats:

General:
3 TERRITORIAL MALES DETECTED BETWEEN 22 MAY-15 JUL 2004; BEHAVIOR DESCRIBED AS SINGING ON EACH DETECTION. 2 TERRITORIAL MALES DETECTED BETWEEN 15 MAY-16 JUL 2005; BREEDING WAS NOT CONFIRMED.

PLSS: T08S, R07W, Sec. 06, S (S) Accuracy: non-specific area Area (acres): 26 UTM: Zone-11 N3706985 E439579 Latitude/Longitude: 33.50069 / -117.65048 Elevation (feet): 100 Orange Dana Point (3311746), San Juan Capistrano (3311756) County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 307 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1028 of 1484 ends

Sources:

EDW01F0007 EDWARDS, C.G. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2001-07-04 EDW02F0014 EDWARDS, C.G. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2002-05-31 Map Index Number: 90193 EO Index: 91204
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBW01114 Occurrence Number: 377 Occurrence Last Updated: 2013-08-30 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2001-07-04 Occurrence Type: Natural/Native occurrence Last Survey Date: 2002-05-31 Occurrence Rank: Poor
Owner/Manager: PVT Trend: Unknown
Presence: Presumed Extant
Location:

SOUTH END OF CAMINO LACOUAGUE AT VIA BUENA VISTA, S OF HWY 74, E OF I-5, SAN JUAN CAPISTRANO.

Detailed Location:

MAPPED TO PROVIDED LOCATION DESCRIPTION AND MAP.

Ecological:

HABITAT CONSISTED OF A NARROW STRIP OF SOUTHERN WILLOW SCRUB DOMINATED BY ARROYO WILLOW AND MULEFAT. NON-NATIVE GRASSLAND CONSISTING OF BLACK AND SHORT-POD MUSTARD, FENNEL, AND CARDOON PLANTS ALSO PRESENT.

Threats:

POSSIBLE THREATS INCLUDE DEVELOPMENT (WHISPERING HILLS - RESIDENTIAL), BRUSH FIRES, AND CATTLE GRAZING.

General:

A SINGING MALE WAS DETECTED DURING FOCUSED SURVEYS FROM 18 MAY-4 JUL 2001; CONSIDERED BREEDING BY REPORTER. NO LEAST BELL'S VIREO WERE DETECTED DURING FOCUSED SURVEYS FROM 12 APR-31 MAY 2002.

PLSS: T08S, R07W, Sec. 05, NE (S) Accuracy: 1/5 mile Area (acres): 0 UTM: Zone-11 N3707716 E441570 Latitude/Longitude: 33.50740 / -117.62910 Elevation (feet): 200 Orange Canada Gobernadora (3311755), San Juan Capistrano (3311756) County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
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Page 1029 of 1484 ends

Sources:

HAR07R0003 HARMSWORTH ASSOCIATES - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 1 FOR 2007 2007-11- XX
HAR08R0003 HARMSWORTH ASSOCIATES - REPORT ON LEAST BELL'S VIREO PROTOCOL SURVEYS IN PLANNING AREA 1 FOR 2008 2008-11- XX
Map Index Number: 90198 EO Index: 91207
Key Quad: El Toro (3311766) Element Code: ABPBW01114
Occurrence Number: 378 Occurrence Last Updated: 2013-08-23 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2007-07-30 Occurrence Type: Natural/Native occurrence Last Survey Date: 2008-07-31 Occurrence Rank: Unknown
Owner/Manager: TNC Trend: Unknown
Presence: Presumed Extant
Location:

ABOUT 0.5 MILE UPSTREAM OF RATTLESNAKE RESERVOIR, BETWEEN RATTLESNAKE CANYON AND HICKS CANYON, E OF IRVINE.

Detailed Location:

SITE REFERRED TO AS THE IRVINE COMPANY PLANNING AREA 1 (PA1). LOCATION MONITORED FOR LEAST BELL'S VIREOS FROM 2007-2008, REFERRED TO AS VIREO PAIR #6 (VP6). MAPPED BASED ON PROVIDED MAP LOCATION TO UNNAMED STREAM ADJACENT TO RATTLESNAKE RD.

Ecological:

HABITAT DESCRIBED AS WILLOW RIPARIAN SCRUB CONSISTING OF WILLOWS, MULEFAT AND MEXICAN ELDERBERRY. SANTIAGO FIRE BURNED LARGE PORTION OF PA1 AND SURROUNDING AREAS IN OCT 2007. ACTIVE COWBIRD TRAPPING ONSITE.

Threats:
1 BROWN-HEADED COWBIRD WAS DETECTED IN THE AREA IN 2007 & 2008.

General:
1 PAIR SUCCESSFULLY PRODUCED 3 FLEDGLINGS BETWEEN 23 APR-30 JUL 2007; PAIR HAD SEVERAL NESTING ATTEMPTS AND WERE NOT DOCUMENTED IN PREVIOUS YEARS. NO LEAST BELL'S VIREOS DETECTED DURING FOCUSED SURVEYS CONDUCTED FROM 21 APR-31 JUL 2008.

PLSS: T05S, R08W, Sec. 16, SW (S) Accuracy: 1/10 mile Area (acres): 0 UTM: Zone-11 N3732813 E432486 Latitude/Longitude: 33.73320 / -117.72880 Elevation (feet): 515 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 309 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
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Page 1030 of 1484 ends

Sources:

HAR01R0004 HARMSWORTH ASSOCIATES - REPORT ON BIOLOGICAL SURVEYS FOR THE IRVINE NORTHERN SPHERE 2001-10-XX Map Index Number: 90199 EO Index: 91208
Key Quad: El Toro (3311766) Element Code: ABPBW01114
Occurrence Number: 379 Occurrence Last Updated: 2013-08-23 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2001-07-13 Occurrence Type: Natural/Native occurrence Last Survey Date: 2001-07-13 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

NORTHERN EDGE OF SIPHON RESERVOIR, BETWEEN HICKS CANYON AND BEE CANYON, ABOUT 6.3 MILES ESE OF TUSTIN.

Detailed Location:

AREA REFERRED TO AS THE IRVINE COMPANY'S "IRVINE NORTHERN SPHERE" AND WAS BROKEN DOWN INTO FIVE PLANNING AREAS.

Ecological:

GENERAL AREA CONSISTED MOSTLY OF UNDEVELOPED AND AGRICULTURAL LAND. RIPARIAN HABITAT CONSISTED OF SYCAMORE AND OAK RIPARIAN WOODLAND. NEST LOCATED IN A MULEFAT BUSH. NO BROWN-HEADED COWBIRDS DETECTED ON SITE.

Threats:

General:
1 PAIR AND 2 UNPAIRED MALES DETECTED BETWEEN 20 APR-13 JUL 2001; PAIR FLEDGED 4 YOUNG.

PLSS: T05S, R08W, Sec. 29, NE (S) Accuracy: non-specific area Area (acres): 28 UTM: Zone-11 N3730501 E432239 Latitude/Longitude: 33.71233 / -117.73129 Elevation (feet): 360 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 310 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1031 of 1484 ends

Sources:

CLA07F0013 CLARK, K. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2007-04-11 CLA07U0002 CLARK, K. (CLARK BIOLOGICAL SERVICES) - PERSONAL COMMUNICATION BETWEEN K. CLARK AND E. TURNER REGARDING LEAST BELL'S VIREO DETECTION AT EL TORO HABITAT PRESERVE, 2007 2007-04-16 CLA12D0004 CLARK, K. (SAN DIEGO NATURAL HISTORY MUSEUM) - SPREADSHEET OF LEAST BELL'S VIREO DETECTIONS AT THE EL TORO CONSERVATION AREA, 2012. 2012-08-XX
Map Index Number: 90204 EO Index: 91213
Key Quad: El Toro (3311766) Element Code: ABPBW01114
Occurrence Number: 380 Occurrence Last Updated: 2018-09-14 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2012-06-18 Occurrence Type: Natural/Native occurrence Last Survey Date: 2012-06-18 Occurrence Rank: Fair
Owner/Manager: ORA COUNTY-GREAT PARK Trend: Unknown
Presence: Presumed Extant
Location:

VICINITY OF BORREGO CANYON, ABOUT 0.4 MILE NNW OF SR-241 AT ALTON PKWY, N OF EL TORO.

Detailed Location:

MAPPED TO PROVIDED COORDINATES. LOCATION DESCRIBED AS "EAST END OF EL TORO HABITAT PRESERVE, JUST WEST OF SR-241." Ecological:

HABITAT WAS NARROW WILLOW RIPARIAN SYSTEM DOMINATED BY 30-40 FT TALL SALIX GOODINGII AND SALIX LASIOLEPSIS. RIPARIAN STRIP FLOWING WEST FROM CULVERT UNDER ADJACENT TOLL ROAD. HABITAT WAS BURNED IN OCT 2007 (SANTIAGO FIRE).

Threats:

General:
1 UNBANDED SINGING MALE DETECTED ON 11 APR 2007; NO FEMALE DETECTED BUT SITE WAS ONLY SURVEYED BRIEFLY. 1 PAIR OBSERVED ON 18 JUN 2012.

PLSS: T06S, R08W, Sec. 2, NE (S) Accuracy: specific area Area (acres): 7 UTM: Zone-11 N3727412 E437110 Latitude/Longitude: 33.68478 / -117.67851 Elevation (feet): 729 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 311 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1032 of 1484 ends

Sources:

ONE08U0001 ONEAL, A. (BONTERRA CONSULTING) - RESULTS OF FOCUSED PRESENCE/ABSENCE SURVEYS FOR THE LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER ON THE ALTON PARKWAY EXTENSION PROJECT SITE 2008-08-25 Map Index Number: 90205 EO Index: 91214
Key Quad: El Toro (3311766) Element Code: ABPBW01114
Occurrence Number: 381 Occurrence Last Updated: 2013-09-03 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2008-07-09 Occurrence Type: Natural/Native occurrence Last Survey Date: 2008-07-09 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY-GREAT PARK Trend: Unknown
Presence: Presumed Extant
Location:

UPPER BORREGO CANYON, ABOUT 0.4 MILE W OF SR-241 AT ALTON PKWY, N OF EL TORO.

Detailed Location:

MAPPED TO PROVIDED COORDINATES. PAIR WAS PART OF A TOTAL OF 8 VIREO LOCATIONS IN 2008; PAIR LABELED "LBV LOCATION 4" BY REPORTER. SITE ADJACENT TO COMMERCIAL DEVELOPMENT.

Ecological:

HABITAT CONSISTED OF A MIX OF WILLOWS, WESTERN SYCAMORE, AND COAST LIVE OAK.

Threats:

General:

MALE OBSERVED ON 6 & 13 JUN, FEMALE OBSERVED FORAGING WITH MALE ON 20 & 27 JUN 2008. NEST WITH 3 EGGS DISCOVERED ON 27 JUN, BUT WAS ABANDONED WITH ONLY 1 EGG REMAINING BY 9 JUL 2008.

PLSS: T06S, R08W, Sec. 02, NE (S) Accuracy: 80 meters Area (acres): 0 UTM: Zone-11 N3726939 E436931 Latitude/Longitude: 33.68050 / -117.68040 Elevation (feet): 685 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1033 of 1484 ends

Sources:

ONE08U0001 ONEAL, A. (BONTERRA CONSULTING) - RESULTS OF FOCUSED PRESENCE/ABSENCE SURVEYS FOR THE LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER ON THE ALTON PARKWAY EXTENSION PROJECT SITE 2008-08-25 Map Index Number: 90206 EO Index: 91215
Key Quad: El Toro (3311766) Element Code: ABPBW01114
Occurrence Number: 382 Occurrence Last Updated: 2013-08-26 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2008-07-15 Occurrence Type: Natural/Native occurrence Last Survey Date: 2008-07-15 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

UPPER BORREGO CANYON, ABOUT 0.6 MILE WSW OF SR-241 AT ALTON PKWY, N OF EL TORO.

Detailed Location:

MAPPED TO PROVIDED COORDINATES. DETECTIONS WERE PART OF A TOTAL OF 8 VIREO LOCATIONS IN 2008; LOCATIONS LABELED "LBV LOCATION 5 & 6" BY REPORTER.

Ecological:

HABITAT DESCRIBED AS WILLOW RIPARIAN SCRUB DOMINATED BY BLACK WILLOW, ARROYO WILLOW, NARROW-LEAVED WILLOW AND MULE FAT.

Threats:

General:
2 SINGING MALES DETECTED ON 6-27 JUN & 1 JUL 2008. 1 OF THESE MALES WAS OBSERVED WITH 2 JUVENILES ON 9 JUL 2008; BIRDS WERE OBSERVED FORAGING AND CHASING MALE FROM ADJACENT TERRITORY. 2 MALES OBSERVED ON 15 JUL 2008.

PLSS: T06S, R08W, Sec. 02, SE (S) Accuracy: specific area Area (acres): 8 UTM: Zone-11 N3726610 E436563 Latitude/Longitude: 33.67751 / -117.68434 Elevation (feet): 640 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
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California Natural Diversity Database

Page 1034 of 1484 ends

Map Index Number: 90207 EO Index: 91216
Key Quad: El Toro (3311766) Element Code: ABPBW01114
Occurrence Number: 383 Occurrence Last Updated: 2018-09-28 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2017-07-25 Occurrence Type: Natural/Native occurrence Last Survey Date: 2017-07-25 Occurrence Rank: Fair
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

BORREGO WASH AT MOUTH OF BORREGO CANYON, JUST E OF ALTON PKWY AND IRVINE BLVD INTERSECTION, N OF EL TORO.

Detailed Location:

MAPPED TO PROVIDED COORDINATES. DETECTIONS WERE PART OF A TOTAL OF 8 VIREO LOCATIONS IN 2008; LOCATIONS LABELED "LBV LOCATION 1-3, 7, & 8" BY REPORTER. ALTON PKWY RUNS ALONG DETECTION SITES. FORMER SITE OF EL TORO MARINE CORP AIR STATION.

Ecological:

RIPARIAN SCRUB AND TRANSITIONAL RIPARIAN SCRUB HABITATS ON THE MITIGATION SITE ARE DOMINATED BY MULE FAT, GOODDING'S BLACK WILLOW, RED WILLOW, COYOTE BRUSH, AND DEERGRASS. OTHER NATIVE SPECIES WERE ARROYO WILLOW, MUGWORT, & WESTERN RAGWEED.

Threats:

ROAD DEVELOPMENT; LIKELY EXTIRPATED FROM BORREGO CYN WASH PORTION OF EO SINCE PAVED OVER AS ALTON PKWY AROUND 2011.

General:
0 BIRDS IN 2002-03. 1 PAIR SUCCESSFULLY FLEDGED YOUNG AFTER 2 FAILED NESTING ATTEMPTS IN 2005. 3 MALES, 2 FEMALES, & 3 JUVENILES IN 2008. 3+ NESTING PAIRS, 4 YOUNG, OBSERVED IN 2012. 1 MALE IN 2014. 0 IN 2015. 2 ADULTS/2 JUVENILES IN 2017.

PLSS: T06S, R08W, Sec. 10 (S) Accuracy: non-specific area Area (acres): 61 UTM: Zone-11 N3725433 E435134 Latitude/Longitude: 33.66681 / -117.69968 Elevation (feet): 493 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1035 of 1484 ends

Sources:

AGU17F0023 AGUAYO, J. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2017-07-25 BRA05U0001 BRADY, K. & A. ONEAL (BONTERRA CONSULTING) - RESULTS OF FOCUSED SURVEYS THE SOUTHWESTERN WILLOW

FLYCATCHER AND LEAST BELL'S VIREO FOR THE ALTON PARKWAY EXTENSION PROJECT, ORANGE COUNTY, CALIFORNIA 2005-12-16
CLA12D0004 CLARK, K. (SAN DIEGO NATURAL HISTORY MUSEUM) - SPREADSHEET OF LEAST BELL'S VIREO DETECTIONS AT THE EL TORO CONSERVATION AREA, 2012. 2012-08-XX
CLA12R0003 CLARK, K. (SAN DIEGO NATURAL HISTORY MUSEUM) - CALIFORNIA GNATCATCHER AND CACTUS WREN SURVEYS AT THE EL TORO CONSERVATION AREA 2012-10-10
CLA13R0002 CLARK, K. (SAN DIEGO NATURAL HISTORY MUSEUM) - EL TORO CONSERVATION AREA POST-FIRE ASSESSMENT. PREPARED FOR THE NATURE RESERVE OF ORANGE COUNTY, IRVINE, CA. 2013-05-13 HER14U0001 HEREDIA, A. & J. AGUAYO (BONTERRA CONSULTING) - RESULTS OF THE LEAST BELL'S VIREO SURVEY FOR THE ON-SITE MITIGATION PROGRAM FOR THE ALTON PARKWAY EXTENSION PROJECT. 2014-12-03 LEA05F0012 LEATHERMAN, B. (WHITE AND LEATHERMAN BIOSERVICES) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2005-05-13 LEA12F0007 LEATHERMAN, B. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2012-06-08 ONE08U0001 ONEAL, A. (BONTERRA CONSULTING) - RESULTS OF FOCUSED PRESENCE/ABSENCE SURVEYS FOR THE LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER ON THE ALTON PARKWAY EXTENSION PROJECT SITE 2008-08-25 RIC15R0001 RICHARDS, P. (ICF INTERNATIONAL, INC.) - 45-DAY REPORT-PRESENCE/ABSENCE SURVEYS FOR LEAST BELL'S VIREO AND COASTAL CA. GNATCATCHER FOR THE ALTON PARKWAY EXTENSION PROJECT ON-SITE MITIGATION PROGRAM, IRVINE, ORANGE CO, CA 2015-09-11
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Page 1036 of 1484 ends

Sources:

FER16D0002 FERREE, K. - AVIAN OBSERVATION DATA RELATED TO FOCUSED LEAST BELL'S VIREO AND SOUTHWESTERN FLYCATCHER SURVEYS. 2016-07-XX
Map Index Number: B0523 EO Index: 112386
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBW01114 Occurrence Number: 598 Occurrence Last Updated: 2018-08-31 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2016-07-08 Occurrence Type: Natural/Native occurrence Last Survey Date: 2016-07-19 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

ABOUT 0.4 MI N OF GOLDEN LANTERN ST AT BEACON HILL WAY, 1 MI E OF CLUBHOUSE DR AT NIGUEL RD, SAN JUAN CANYON.

Detailed Location:

MAPPED TO THE PROVIDED COORDINATES.

Ecological:

Threats:

General:

VIREOS CONSISTENTLY OBSERVED AND HEARD SINGING IN THE AREA OVER 5 SURVEY DATES FROM 3 JUN-19 JUL 2016. COUNTER SINGING HEARD ON 27 JUN 2016. FLEDGLING CONTACT CALL HEARD ON 8 JUL 2016. NO FEMALES OBSERVED.

PLSS: T08S, R08W, Sec. 2, NW (S) Accuracy: specific area Area (acres): 15 UTM: Zone-11 N3708065 E435731 Latitude/Longitude: 33.5102 / -117.69199 Elevation (feet): 320 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
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Page 1037 of 1484 ends

Sources:

NER17F0009 NERHUS, B. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2017-07-07 Map Index Number: B0527 EO Index: 112390
Key Quad: San Juan Capistrano (3311756) Element Code: ABPBW01114 Occurrence Number: 599 Occurrence Last Updated: 2018-08-31 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2017-07-07 Occurrence Type: Natural/Native occurrence Last Survey Date: 2017-07-07 Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

ABOUT 0.4 MI NNW OF ALICIA PKWY AT AVILA RD, 0.9 MI SSE OF HWY 73 AT ALISO CREEK RD, 2.8 MI S OF LAGUNA HILLS PO.

Detailed Location:

MAPPED TO THE PROVIDED COORDINATES.

Ecological:

Threats:

General:
2 ADULTS OBSERVED FORAGING AND FLYING AROUND HOLDING A TERRITORY ON 7 JUL 2017. BIRD SITE USE CLASSIFIED AS NESTING ON STANDARD CNDDB FIELD SURVEY FORM.

PLSS: T07S, R08W, Sec. 16, NE (S) Accuracy: 1/10 mile Area (acres): 18 UTM: Zone-11 N3714508 E433434 Latitude/Longitude: 33.56817 / -117.7172 Elevation (feet): 182 Orange San Juan Capistrano (3311756)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Page 1038 of 1484 ends

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LEA17F0002 LEATHERMAN, B. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS [SC-001562] 2017-04-28 Map Index Number: B0665 EO Index: 112535
Key Quad: El Toro (3311766) Element Code: ABPBW01114
Occurrence Number: 603 Occurrence Last Updated: 2018-09-13 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2017-04-28 Occurrence Type: Natural/Native occurrence Last Survey Date: 2017-04-28 Occurrence Rank: Good
Owner/Manager: PVT-SANTA MARGARITA WATER DIST Trend: Unknown Presence: Presumed Extant
Location:

ABOUT 0.5 MI S OF GLENN RANCH RD AT HWY 18, 0.6 MI NNW OF HWY 241 AT LOS ALISOS BLVD, UPPER OSO RESERVOIR.

Detailed Location:

MAPPED ACCORDING TO THE PROVIDED COORDINATES.

Ecological:

Threats:

General:
1 HEARD SINGING ON 28 APR 2017. ALTHOUGH THE NESTING STATUS OF THIS BIRD COULD NOT BE DETERMINED, IT IS LIKELY NESTING IN THE DENSE VEGETATION ALONG THE RESERVOIR.

PLSS: T06S, R07W, Sec. 8, SE (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3725002 E441850 Latitude/Longitude: 33.66331 / -117.62722 Elevation (feet): 951 Orange El Toro (3311766)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
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Page 1039 of 1484 ends

Sources:

AGU15F0007 AGUAYO, J. (BONTERRA CONSULTING) - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2015-07-20 HER15U0014 HEREDIA, A. & J. AGUAYO (BONTERRA CONSULTING) - RESULTS OF THE LEAST BELL'S VIREO AND SOUTHWESTERN WILLOW FLYCATCHER SURVEYS FOR THE INTERSTATE 405 IMPROVEMENT PROJECT FROM INTERSTATE 5 TO STATE ROUTE 55. 2015- 08-28
Map Index Number: B0760 EO Index: 112633
Key Quad: Tustin (3311767) Element Code: ABPBW01114
Occurrence Number: 604 Occurrence Last Updated: 2018-09-21 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2015-07-30 Occurrence Type: Natural/Native occurrence Last Survey Date: 2015-07-30 Occurrence Rank: Unknown
Owner/Manager: CITY OF IRVINE Trend: Unknown
Presence: Presumed Extant
Location:

ABOUT 0.2 MI N OF SHADY CANYON AVE AT QUAIL HILL PKWY, 0.2 MI W OF SHADY CANYON AVE AT I-405, IRVINE.

Detailed Location:

MAPPED ACCORDING TO THE PROVIDED COORDINATES.

Ecological:

DOMINATED BY GOODDING'S BLACK WILLOW, WITH ARROYO WILLOW, FREMONT'S COTTONWOOD, WESTERN SYCAMORE SAPLINGS, MULEFAT, AND BLUE ELDERBERRY.

Threats:

General:
1 PAIR AND 2 JUVENILES OBSERVED DURING SURVEYS CONDUCTED BETWEEN 17 APR-30 JUL 2015; THE TWO JUVENILES WERE OBSERVED MOVING AROUND TOGETHER ON 30 JUL 2015.

PLSS: T06S, R09W, Sec. 14, NE (S) Accuracy: specific area Area (acres): 16 UTM: Zone-11 N3724459 E427524 Latitude/Longitude: 33.65753 / -117.78168 Elevation (feet): 151 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Occurrence Report
California Department of Fish and Wildlife
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Page 1040 of 1484 ends

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AMA16D0001 AMALONG, M. (ENVIRONMENTAL INTELLIGENCE) - TWO SHAPEFILES (NESTS, DETECTIONS) FOR SURVEY RESULTS FOR THE SAFARI SUBSTATION PROJECT, ORANGE COUNTY, 2016. 2016-XX-XX Map Index Number: B0764 EO Index: 112636
Key Quad: Tustin (3311767) Element Code: ABPBW01114
Occurrence Number: 605 Occurrence Last Updated: 2018-09-21 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2016-08-18 Occurrence Type: Natural/Native occurrence Last Survey Date: 2016-08-18 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

ABOUT 0.2 MI W OF HWY 133 AT LAGUNA CANYON RD, 0.3 MI S OF QUAIL HILL PKWY AT LAGUNA CANYON RD, IRVINE.

Detailed Location:

MAPPED ACCORDING TO THE PROVIDED COORDINATES.

Ecological:

Threats:

General:

AT LEAST ONE PAIR AND 2 FLEDGLINGS ALONG WITH INDIVIDUAL MALES OBSERVED/HEARD FROM 22 APR - 18 AUG 2016.

PLSS: T06S, R09W, Sec. 24, NE (S) Accuracy: specific area Area (acres): 5 UTM: Zone-11 N3722857 E428978 Latitude/Longitude: 33.64318 / -117.76588 Elevation (feet): 248 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Page 1041 of 1484 ends

Sources:

COF20F0002 COFFEY, J. ET AL. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 2020-06-02 Map Index Number: B8085 EO Index: 121199
Key Quad: Tustin (3311767) Element Code: ABPBW01114
Occurrence Number: 618 Occurrence Last Updated: 2022-03-11 Scientific Name: Vireo bellii pusillus Common Name: least Bell's vireo Listing Status: Federal: Endangered Rare Plant Rank:

State: Endangered
CNDDB Element Ranks: Global: G5T2
State: S3
Other Lists:

General Habitat: Micro Habitat:

SUMMER RESIDENT OF SOUTHERN CALIFORNIA IN LOW RIPARIAN IN VICINITY OF WATER OR IN DRY RIVER BOTTOMS; BELOW 2000 FT.

NESTS PLACED ALONG MARGINS OF BUSHES OR ON TWIGS

PROJECTING INTO PATHWAYS, USUALLY WILLOW, BACCHARIS,
MESQUITE.

Last Date Observed: 2020-06-02 Occurrence Type: Natural/Native occurrence Last Survey Date: 2020-06-02 Occurrence Rank: Good
Owner/Manager: UCNR Trend: Unknown
Presence: Presumed Extant
Location:

VICINITY OF UPPER AND MIDDLE MARSH AT UCNR SAN JOAQUIN MARSH RESERVE, 0.3 MI S OF JAMBOREE RD AT CAMPUS DR, IRVINE.

Detailed Location:

MAPPED TO COORDINATES PROVIDED FOR 2020 DETECTIONS. LOCATION OF DETECTIONS NOTED AS, "INCIDENTALLY HEARD WHILE WALKING DOWN DIRT ROAD."
Ecological:

Threats:

General:

DETECTIONS WERE MADE IN THIS VICINITY IN 2013, 2014, 2015, 2016, 2017, 2018, 2019, AND 2020. SURVEY RESULTS COULD BE ENHANCED BY CONDUCTING AND REPORTING PROTOCOL LEVEL SURVEYS FOLLOWING USFWS 2001 GUIDELINES.

PLSS: T06S, R09W, Sec. 7, SE (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3724879 E420793 Latitude/Longitude: 33.66084 / -117.85432 Elevation (feet): 14 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Page 1042 of 1484 ends

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SMI16F0030 SMITH, B. - FIELD SURVEY FORM FOR SETOPHAGA PETECHIA 2016-07-15 SMI16F0031 SMITH, B. - FIELD SURVEY FORM FOR SETOPHAGA PETECHIA 2016-07-15 SMI16F0032 SMITH, B. - FIELD SURVEY FORM FOR SETOPHAGA PETECHIA 2016-07-15 Map Index Number: A2703 EO Index: 104294
Key Quad: Laguna Beach (3311757) Element Code: ABPBX03010 Occurrence Number: 110 Occurrence Last Updated: 2016-11-29 Scientific Name: Setophaga petechia Common Name: yellow warbler Listing Status: Federal: None Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G5
State: S3
Other Lists: CDFW_SSC-Species of Special Concern
IUCN_LC-Least Concern
General Habitat: Micro Habitat:

RIPARIAN PLANT ASSOCIATIONS IN CLOSE PROXIMITY TO WATER.

ALSO NESTS IN MONTANE SHRUBBERY IN OPEN CONIFER FORESTS IN CASCADES AND SIERRA NEVADA.

FREQUENTLY FOUND NESTING AND FORAGING IN WILLOW SHRUBS

AND THICKETS, AND IN OTHER RIPARIAN PLANTS INCLUDING
COTTONWOODS, SYCAMORES, ASH, AND ALDERS.

Last Date Observed: 2016-07-15 Occurrence Type: Natural/Native occurrence Last Survey Date: 2016-07-15 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN, DFG Trend: Unknown
Presence: Presumed Extant
Location:

VICINITY OF LAGUNA CANYON RD, FROM 0.1 MI N TO 0.3 MI S OF THE EL TORO RD JUNCTION, N OF LAGUNA BEACH.

Detailed Location:

MAPPED TO PROVIDED COORDINATES.

Ecological:

OBSERVATIONS MADE DURING PROTOCOL SURVEYS FOR SOUTHWESTERN WILLOW FLYCATCHER.

Threats:

General:
1 ADULT HEARD SINGING, 1 ADULT SEEN FEEDING A DEPENDENT FLEDGLING, & 1 PAIR SEEN FEEDING A DEPENDENT FLEDGLING ON 15 JUL 2016.

PLSS: T07S, R08W, Sec. 7, NW (S) Accuracy: specific area Area (acres): 15 UTM: Zone-11 N3715984 E429333 Latitude/Longitude: 33.58122 / -117.7615 Elevation (feet): 223 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Page 1043 of 1484 ends

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AGU17F0024 AGUAYO, J. - FIELD SURVEY FORM FOR SETOPHAGA PETECHIA 2017-05-18 AGU17R0001 AGUAYO, J. & A. HEREDIA (PSOMAS ENGINEERING) - 2017 RESULTS OF A COASTAL CALIFORNIA GNATCATCHER SURVEY FOR THE ON-SITE MITIGATION PROGRAM FOR THE ALTON PARKWAY EXTENSION PROJECT, ORANGE COUNTY, CALIFORNIA 2017- 08-21
RIC15R0001 RICHARDS, P. (ICF INTERNATIONAL, INC.) - 45-DAY REPORT-PRESENCE/ABSENCE SURVEYS FOR LEAST BELL'S VIREO AND COASTAL CA. GNATCATCHER FOR THE ALTON PARKWAY EXTENSION PROJECT ON-SITE MITIGATION PROGRAM, IRVINE, ORANGE CO, CA 2015-09-11
WHI02U0001 WHITE & LEATHERMAN BIOSERVICES - RESULTS OF FOCUSED SURVEYS FOR THE SOUTHWESTERN WILLOW FLYCATCHER, LEAST BELL'S VIREO AND CALIFORNIA GNATCATCHER FOR THE ALTON PARKWAY EXTENSION PROJECT, ORANGE COUNTY. 2002-09-12
Map Index Number: B4323 EO Index: 117251
Key Quad: El Toro (3311766) Element Code: ABPBX03010
Occurrence Number: 121 Occurrence Last Updated: 2019-10-30 Scientific Name: Setophaga petechia Common Name: yellow warbler Listing Status: Federal: None Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G5
State: S3
Other Lists: CDFW_SSC-Species of Special Concern
IUCN_LC-Least Concern
General Habitat: Micro Habitat:

RIPARIAN PLANT ASSOCIATIONS IN CLOSE PROXIMITY TO WATER.

ALSO NESTS IN MONTANE SHRUBBERY IN OPEN CONIFER FORESTS IN CASCADES AND SIERRA NEVADA.

FREQUENTLY FOUND NESTING AND FORAGING IN WILLOW SHRUBS

AND THICKETS, AND IN OTHER RIPARIAN PLANTS INCLUDING
COTTONWOODS, SYCAMORES, ASH, AND ALDERS.

Last Date Observed: 2017-05-18 Occurrence Type: Natural/Native occurrence Last Survey Date: 2017-05-18 Occurrence Rank: Good
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

VICINITY OF MAGAZINE RD, ABOUT 0.3 MI NE OF ALTON PKWY AT IRVINE BLVD, LAKE FOREST.

Detailed Location:

MAPPED TO COORDINATES GIVEN ON 2017 FIELD SURVEY FORM. EXACT LOCATIONS NOT GIVEN FOR 2002 AND 2015 DETECTIONS.

Ecological:
2017: 11.43-ACRE MITIGATION SITE WITH RIPARIAN SCRUB INCLUDING MULEFAT, BLACK WILLOW, RED WILLOW, COYOTE BRUSH AND DEERGRASS.

Threats:

GOOGLE EARTH AIR PHOTOS INDICATE ROAD BUILDING AND OTHER DEVELOPMENT ACTIVITY IN VICINITY.

General:

DETECTED DURING LISTED BIRD SURVEYS IN 2002 AND 2015. 2 ADULTS DETECTED ON 18 MAY 2017 WERE PRESUMED TO BE BREEDING IN THE AREA.

PLSS: T06S, R08W, Sec. 10, NE (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3725484 E434905 Latitude/Longitude: 33.66726 / -117.70216 Elevation (feet): 482 Orange El Toro (3311766)
County Summary: Quad Summary:

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Page 1044 of 1484 ends

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GAL96F0002 GALVIN, P. - FIELD SURVEY FORM FOR VIREO BELLII PUSILLUS 1996-04-10 Map Index Number: 33647 EO Index: 30219
Key Quad: El Toro (3311766) Element Code: ABPBX24010
Occurrence Number: 77 Occurrence Last Updated: 1997-02-24 Scientific Name: Icteria virens Common Name: yellow-breasted chat Listing Status: Federal: None Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G5
State: S4
Other Lists: CDFW_SSC-Species of Special Concern
IUCN_LC-Least Concern
General Habitat: Micro Habitat:

SUMMER RESIDENT; INHABITS RIPARIAN THICKETS OF WILLOW AND OTHER BRUSHY TANGLES NEAR WATERCOURSES.

NESTS IN LOW, DENSE RIPARIAN, CONSISTING OF WILLOW,
BLACKBERRY, WILD GRAPE; FORAGES AND NESTS WITHIN 10 FT OF GROUND.

Last Date Observed: 1996-04-10 Occurrence Type: Natural/Native occurrence Last Survey Date: 1996-04-10 Occurrence Rank: Good
Owner/Manager: PVT-IRVINE CO Trend: Unknown
Presence: Presumed Extant
Location:

SAN DIEGO CREEK, 0.5 MILE WEST OF I-5, SOUTH OF EL TORO MARINE CORPS AIR STATION.

Detailed Location:

Ecological:

HABITAT CONSISTS OF WILLOW-DOMINATED RIPARIAN WOODLAND, WITH A GOOD UNDERSTORY OF MULEFAT. LEAST BELLS VIREO ALSO BREEDS AT THIS SITE. SURROUNDING AREA DOMINATED BY AGRICULTURE.

Threats:

General:

AN UNKNOWN NUMBER OF CHATS OBSERVED BREEDING ON 10 APRIL 1996, DURING A SURVEY FOR LEAST BELLS VIREO.

PLSS: T06S, R08W (S) Accuracy: specific area Area (acres): 31 UTM: Zone-11 N3721810 E431179 Latitude/Longitude: 33.63389 / -117.74205 Elevation (feet): 200 Orange El Toro (3311766)
County Summary: Quad Summary:

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Page 1045 of 1484 ends

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LSA92R0001 LSA ASSOCIATES, INC. - BIOLOGICAL ASSESSMENT OF MACARTHUR BOULEVARD WIDENING AND BISON AVENUE EXTENSION. 1992-03-XX
Map Index Number: 53528 EO Index: 53528
Key Quad: Tustin (3311767) Element Code: ABPBX24010
Occurrence Number: 94 Occurrence Last Updated: 2003-12-09 Scientific Name: Icteria virens Common Name: yellow-breasted chat Listing Status: Federal: None Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G5
State: S4
Other Lists: CDFW_SSC-Species of Special Concern
IUCN_LC-Least Concern
General Habitat: Micro Habitat:

SUMMER RESIDENT; INHABITS RIPARIAN THICKETS OF WILLOW AND OTHER BRUSHY TANGLES NEAR WATERCOURSES.

NESTS IN LOW, DENSE RIPARIAN, CONSISTING OF WILLOW,
BLACKBERRY, WILD GRAPE; FORAGES AND NESTS WITHIN 10 FT OF GROUND.

Last Date Observed: 1990-07-01 Occurrence Type: Natural/Native occurrence Last Survey Date: 1990-07-01 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

BONITA CANYON RESERVOIR, NEWPORT BEACH.

Detailed Location:

Ecological:
1 PAIR OF ACCIPTIER COOPERII MAY BE NESTING IN VICINITY OF BONITA CANYON RESERVOIR.

Threats:

General:

CHATS OBSERVED ON 17 & 29 MAY, 15 JUN AND 1 JUL 1990. IT IS ESTIMATED THAT 1 OR 2 PAIRS WERE PRESENT IN 1990. THIS IS A KNOWN NESTING AREA FOR THE YELLOW-BREASTED CHAT.

PLSS: T06S, R09W, Sec. 20, SW (S) Accuracy: 1/5 mile Area (acres): 0 UTM: Zone-11 N3721503 E421519 Latitude/Longitude: 33.63044 / -117.84618 Elevation (feet): 150 Orange Tustin (3311767)
County Summary: Quad Summary:

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Page 1046 of 1484 ends

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GAL03F0016 GALVIN, P. - FIELD SURVEY FORM FOR ICTERIA VIRENS 2003-07-31 Map Index Number: 54504 EO Index: 54505
Key Quad: El Toro (3311766) Element Code: ABPBX24010
Occurrence Number: 97 Occurrence Last Updated: 2004-02-27 Scientific Name: Icteria virens Common Name: yellow-breasted chat Listing Status: Federal: None Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G5
State: S4
Other Lists: CDFW_SSC-Species of Special Concern
IUCN_LC-Least Concern
General Habitat: Micro Habitat:

SUMMER RESIDENT; INHABITS RIPARIAN THICKETS OF WILLOW AND OTHER BRUSHY TANGLES NEAR WATERCOURSES.

NESTS IN LOW, DENSE RIPARIAN, CONSISTING OF WILLOW,
BLACKBERRY, WILD GRAPE; FORAGES AND NESTS WITHIN 10 FT OF GROUND.

Last Date Observed: 2003-07-31 Occurrence Type: Natural/Native occurrence Last Survey Date: 2003-07-31 Occurrence Rank: Excellent Owner/Manager: PVT-IRVINE CO Trend: Unknown
Presence: Presumed Extant
Location:

SITE PA6, WATER BODY AT SOUTH END OF ROUND CANYON, 0.5 MILE NE OF LAMBERT RESERVOIR, NORTH OF EL TORO.

Detailed Location:

Ecological:

HABITAT CONSISTS OF ARROYO WILLOW AND MULEFAT. SURROUNDING LAND COMPRISED OF ORCHARD, NURSERY AND WILDLANDS.

CANOPY HEIGHT = 5 M. SURFACE WATER OR SATURATED SOIL IS PRESENT AT SITE.

Threats:

General:
2 PAIRS PRESENT BETWEEN 16 APR AND 31 JUL 2003.

PLSS: T05S, R08W, Sec. 34, NE (S) Accuracy: specific area Area (acres): 18 UTM: Zone-11 N3728772 E434985 Latitude/Longitude: 33.69691 / -117.70152 Elevation (feet): 600 Orange El Toro (3311766)
County Summary: Quad Summary:

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Page 1047 of 1484 ends

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GAL03F0019 GALVIN, P. - FIELD SURVEY FORM FOR ICTERIA VIRENS 2003-07-05 Map Index Number: 54507 EO Index: 54508
Key Quad: Tustin (3311767) Element Code: ABPBX24010
Occurrence Number: 98 Occurrence Last Updated: 2004-02-27 Scientific Name: Icteria virens Common Name: yellow-breasted chat Listing Status: Federal: None Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G5
State: S4
Other Lists: CDFW_SSC-Species of Special Concern
IUCN_LC-Least Concern
General Habitat: Micro Habitat:

SUMMER RESIDENT; INHABITS RIPARIAN THICKETS OF WILLOW AND OTHER BRUSHY TANGLES NEAR WATERCOURSES.

NESTS IN LOW, DENSE RIPARIAN, CONSISTING OF WILLOW,
BLACKBERRY, WILD GRAPE; FORAGES AND NESTS WITHIN 10 FT OF GROUND.

Last Date Observed: 2003-07-05 Occurrence Type: Natural/Native occurrence Last Survey Date: 2003-07-05 Occurrence Rank: Good
Owner/Manager: UC-IRVINE Trend: Unknown
Presence: Presumed Extant
Location:

SOUTH PORTION OF DUCK PONDS LOCATED NORTH OF UNIVERSITY DRIVE, WEST NEWPORT BEACH.

Detailed Location:

Ecological:

HABITAT CONSISTS OF WILLOW RIPARIAN SCRUB. SURROUNDING LAND COMPRISED OF MARSH/ URBAN AREAS.

Threats:

POSSIBLE THREATS INCLUDE DISTURBANCE AND EXOTIC WEEDS.

General:
1 TERRITORIAL MALE CHAT DETECTED ON 5 JUL 2003.

PLSS: T06S, R09W, Sec. 18, NE (S) Accuracy: 80 meters Area (acres): 0 UTM: Zone-11 N3723993 E420967 Latitude/Longitude: 33.65286 / -117.85235 Elevation (feet): 10 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
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Page 1048 of 1484 ends

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SMI16F0028 SMITH, B. - FIELD SURVEY FORM FOR ICTERIA VIRENS 2016-07-15 Map Index Number: A2700 EO Index: 104291
Key Quad: Laguna Beach (3311757) Element Code: ABPBX24010 Occurrence Number: 115 Occurrence Last Updated: 2016-11-29 Scientific Name: Icteria virens Common Name: yellow-breasted chat Listing Status: Federal: None Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G5
State: S4
Other Lists: CDFW_SSC-Species of Special Concern
IUCN_LC-Least Concern
General Habitat: Micro Habitat:

SUMMER RESIDENT; INHABITS RIPARIAN THICKETS OF WILLOW AND OTHER BRUSHY TANGLES NEAR WATERCOURSES.

NESTS IN LOW, DENSE RIPARIAN, CONSISTING OF WILLOW,
BLACKBERRY, WILD GRAPE; FORAGES AND NESTS WITHIN 10 FT OF GROUND.

Last Date Observed: 2016-07-15 Occurrence Type: Natural/Native occurrence Last Survey Date: 2016-07-15 Occurrence Rank: Unknown
Owner/Manager: UNKNOWN Trend: Unknown
Presence: Presumed Extant
Location:

E SIDE LAGUNA CANYON RD, ABOUT 0.1 MI NNE OF THE PHILLIPS ST JCT & 0.2 MI SSE OF THE EL TORO RD JCT, N OF LAGUNA BEACH.

Detailed Location:

MAPPED TO PROVIDED COORDINATES.

Ecological:

HABITAT DESCRIBED AS SUITABLE NESTING HABITAT.

Threats:

General:
1 ADULT HEARD SINGING DURING PROTOCOL SURVEY FOR SOUTHWESTERN WILLOW FLYCATCHER ON 15 JUL 2016; PRESUMED BREEDING.

PLSS: T07S, R08W, Sec. 7, NW (S) Accuracy: 80 meters Area (acres): 5 UTM: Zone-11 N3715815 E429340 Latitude/Longitude: 33.5797 / -117.76141 Elevation (feet): 216 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 328 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1049 of 1484 ends

Sources:

HAR01R0001 HARMSWORTH ASSOCIATES - DRAFT CALIFORNIA GNATCATCHER AND COASTAL CACTUS WREN MONITORING REPORT FOR THE SAN JOAQUIN HILLS BURN AREA, 2001 2001-XX-XX
Map Index Number: 52221 EO Index: 52221
Key Quad: Tustin (3311767) Element Code: ABPBX91091
Occurrence Number: 95 Occurrence Last Updated: 2003-08-22 Scientific Name: Aimophila ruficeps canescens Common Name: southern California rufous-crowned sparrow Listing Status: Federal: None Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G5T3
State: S4
Other Lists: CDFW_WL-Watch List
General Habitat: Micro Habitat:

RESIDENT IN SOUTHERN CALIFORNIA COASTAL SAGE SCRUB AND
SPARSE MIXED CHAPARRAL.

FREQUENTS RELATIVELY STEEP, OFTEN ROCKY HILLSIDES WITH
GRASS AND FORB PATCHES.

Last Date Observed: 2001-XX-XX Occurrence Type: Natural/Native occurrence Last Survey Date: 2001-XX-XX Occurrence Rank: Unknown
Owner/Manager: ORA COUNTY Trend: Unknown
Presence: Presumed Extant
Location:

0.7 MI WEST OF LAGUNA CANYON RD & 1.5 MI SSW OF INTERSECTION OF I-405 & LAGUNA CANYON ROAD; 3.5 MILES NW LAGUNA HILLS.

Detailed Location:

Ecological:

HABITAT MAINLY RECOVERING CHAPARRAL, COASTAL SAGE SCRUB & GRASSLAND WITH SOME OAK WOODLAND, RIPARIAN WOODLAND & MARSHES. AREA BURNED IN 1993 (LAGUNA BEACH FIRE). DESIGNATED AS NATURE RESERVE OF ORANGE COUNTY (NROC) LANDS IN NCCP SUB-REGION.

Threats:

General:

UNKNOWN NUMBER OBSERVED DURNG 3 SURVEYS CONDUCTED BETWEEN FEB AND AUG 2001.

PLSS: T06S, R09W, Sec. 24 (S) Accuracy: 1/10 mile Area (acres): 0 UTM: Zone-11 N3721632 E428299 Latitude/Longitude: 33.63209 / -117.77309 Elevation (feet): 700 Orange Tustin (3311767)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 329 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1050 of 1484 ends

Sources:

HAR01R0001 HARMSWORTH ASSOCIATES - DRAFT CALIFORNIA GNATCATCHER AND COASTAL CACTUS WREN MONITORING REPORT FOR THE SAN JOAQUIN HILLS BURN AREA, 2001 2001-XX-XX
Map Index Number: 52244 EO Index: 52244
Key Quad: Laguna Beach (3311757) Element Code: ABPBX91091 Occurrence Number: 96 Occurrence Last Updated: 2003-08-25 Scientific Name: Aimophila ruficeps canescens Common Name: southern California rufous-crowned sparrow Listing Status: Federal: None Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G5T3
State: S4
Other Lists: CDFW_WL-Watch List
General Habitat: Micro Habitat:

RESIDENT IN SOUTHERN CALIFORNIA COASTAL SAGE SCRUB AND
SPARSE MIXED CHAPARRAL.

FREQUENTS RELATIVELY STEEP, OFTEN ROCKY HILLSIDES WITH
GRASS AND FORB PATCHES.

EAST SLOPE OF BOMMER CANYON, 1.2 MILES NE OF SIGNAL PEAK, SAN JOAQUIN HILLS; ABOUT 3 MILES NE NEWPORT BEACH.

Detailed Location:

Ecological:

Threats:

General:

UNKNOWN NUMBER OBSERVED AT 2 LOCATIONS DURNG 3 SURVEYS CONDUCTED BETWEEN FEB AND AUG 2001.

PLSS: T06S, R09W, Sec. 27 (S) Accuracy: non-specific area Area (acres): 42 UTM: Zone-11 N3720316 E425863 Latitude/Longitude: 33.62006 / -117.79924 Elevation (feet): 550 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 330 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1051 of 1484 ends

Sources:

HAR01R0001 HARMSWORTH ASSOCIATES - DRAFT CALIFORNIA GNATCATCHER AND COASTAL CACTUS WREN MONITORING REPORT FOR THE SAN JOAQUIN HILLS BURN AREA, 2001 2001-XX-XX
Map Index Number: 52245 EO Index: 52245
Key Quad: Laguna Beach (3311757) Element Code: ABPBX91091 Occurrence Number: 97 Occurrence Last Updated: 2003-08-25 Scientific Name: Aimophila ruficeps canescens Common Name: southern California rufous-crowned sparrow Listing Status: Federal: None Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G5T3
State: S4
Other Lists: CDFW_WL-Watch List
General Habitat: Micro Habitat:

RESIDENT IN SOUTHERN CALIFORNIA COASTAL SAGE SCRUB AND
SPARSE MIXED CHAPARRAL.

FREQUENTS RELATIVELY STEEP, OFTEN ROCKY HILLSIDES WITH
GRASS AND FORB PATCHES.

WEST SLOPE OF MUDDY CANYON, ABOUT 1 MILE SOUTH OF SIGNAL PEAK, SAN JOAQUIN HILLS; ABOUT 2.5 MILES EAST OF NEWPORT BEACH.

Detailed Location:

Ecological:

Threats:

General:

UNKNOWN NUMBER OBSERVED AT 3 LOCATIONS DURNG 3 SURVEYS CONDUCTED BETWEEN FEB AND AUG 2001. LOGGERHEAD SHRIKE PAIR IN VICINITY.

PLSS: T07S, R09W, Sec. 03 (S) Accuracy: non-specific area Area (acres): 74 UTM: Zone-11 N3717101 E424356 Latitude/Longitude: 33.59095 / -117.81521 Elevation (feet): 800 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 331 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1052 of 1484 ends

Sources:

HAR01R0001 HARMSWORTH ASSOCIATES - DRAFT CALIFORNIA GNATCATCHER AND COASTAL CACTUS WREN MONITORING REPORT FOR THE SAN JOAQUIN HILLS BURN AREA, 2001 2001-XX-XX
Map Index Number: 52246 EO Index: 52246
Key Quad: Laguna Beach (3311757) Element Code: ABPBX91091 Occurrence Number: 98 Occurrence Last Updated: 2003-08-25 Scientific Name: Aimophila ruficeps canescens Common Name: southern California rufous-crowned sparrow Listing Status: Federal: None Rare Plant Rank:

State: None
CNDDB Element Ranks: Global: G5T3
State: S4
Other Lists: CDFW_WL-Watch List
General Habitat: Micro Habitat:

RESIDENT IN SOUTHERN CALIFORNIA COASTAL SAGE SCRUB AND
SPARSE MIXED CHAPARRAL.

FREQUENTS RELATIVELY STEEP, OFTEN ROCKY HILLSIDES WITH
GRASS AND FORB PATCHES.

SOUTHERN END OF RIDGE BETWEEN MORO CYN & EMERALD CYN, SAN JOAQUIN HILLS; JUST NW OF LAGUNA BEACH.

Detailed Location:

Ecological:

Threats:

General:

UNKNOWN NUMBER OBSERVED AT 2 LOCATIONS DURNG 3 SURVEYS CONDUCTED BETWEEN FEB AND AUG 2001.

PLSS: T07S, R09W, Sec. 15 (S) Accuracy: non-specific area Area (acres): 39 UTM: Zone-11 N3713679 E424995 Latitude/Longitude: 33.56014 / -117.80804 Elevation (feet): 800 Orange Laguna Beach (3311757)
County Summary: Quad Summary:

Report Printed on Tuesday, October 01, 2024
Commercial Version -- Dated September, 29 2024 -- Biogeographic Data Branch Page 332 of 753 Information Expires 3/29/2025
Occurrence Report
California Department of Fish and Wildlife
California Natural Diversity Database

Page 1053 of 1484 ends

Laguna Hills City CouncilFebruary 24, 2026

Laguna Hills City Council
February 24, 2026